| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Cabell City | city | Oregon | United States | 44.89528 | -118.36722 | 6377 | 42 |
| Cabin Creek historical | city | Oregon | United States | 45.68611 | -117.87083 | 2841 | 336 |
| Cableville historical | city | Oregon | United States | 44.85694 | -118.26806 | 6532 | 72 |
| Cairo | city | Oregon | United States | 43.99611 | -117.00806 | 2152 | 7249 |
| Cake historical | city | Oregon | United States | 44.42083 | -117.57222 | 5387 | 131 |
| Calapooia | city | Oregon | United States | 44.3275 | -122.73944 | 800 | 666 |
| Caleb historical | city | Oregon | United States | 44.52361 | -119.91111 | 3956 | 33 |
| California Bar | city | Oregon | United States | 42.11972 | -123.47361 | 2486 | 812 |
| Calkins | city | Oregon | United States | 43.22167 | -123.4075 | 400 | 13768 |
| Callahan | city | Oregon | United States | 43.26611 | -123.60861 | 2503 | 705 |
| Calloway historical | city | Oregon | United States | 44.66111 | -123.21111 | 400 | 12521 |
| Calvert historical | city | Oregon | United States | 43.61389 | -123.21667 | 419 | 676 |
| Camas Valley | city | Oregon | United States | 43.03444 | -123.67278 | 1187 | 551 |
| Cameron historical | city | Oregon | United States | 42.2 | -123.04306 | 1597 | 1111 |
| Camp Carson historical | city | Oregon | United States | 45.03611 | -118.29444 | 5610 | 232 |
| Camp Elkanah | city | Oregon | United States | 45.235 | -118.44889 | 3776 | 243 |
| Camp Sherman | city | Oregon | United States | 44.46056 | -121.64 | 2998 | 364 |
| Canaan | city | Oregon | United States | 45.93222 | -122.91667 | 400 | 1852 |
| Canary | city | Oregon | United States | 43.92806 | -124.03417 | 200 | 1123 |
| Canby | city | Oregon | United States | 45.26306 | -122.69139 | 118 | 18439 |
| Canemah | city | Oregon | United States | 45.34583 | -122.62 | 400 | 72794 |
| Cannon Beach | city | Oregon | United States | 45.89194 | -123.96028 | 147 | 1250 |
| Canyon City | city | Oregon | United States | 44.38972 | -118.94917 | 3297 | 116 |
| Canyonville | city | Oregon | United States | 42.9275 | -123.28 | 948 | 2046 |
| Cape Meares | city | Oregon | United States | 45.49 | -123.9575 | 495 | 2443 |
| Capitol Hill | city | Oregon | United States | 45.46556 | -122.69639 | 400 | 163492 |
| Carey historical | city | Oregon | United States | 44.86111 | -123.40972 | 400 | 2741 |
| Carlton | city | Oregon | United States | 45.29444 | -123.17528 | 170 | 1737 |
| Carnahan | city | Oregon | United States | 46.10056 | -123.91583 | 82 | 3655 |
| Carnation | city | Oregon | United States | 45.50778 | -123.10139 | 193 | 19834 |
| Carpenterville | city | Oregon | United States | 42.22028 | -124.33833 | 1607 | 546 |
| Carroll historical | city | Oregon | United States | 44.65361 | -118.35 | 5055 | 79 |
| Carson | city | Oregon | United States | 44.93583 | -117.17444 | 3277 | 84 |
| Carson Heights | city | Oregon | United States | 45.45806 | -122.68 | 400 | 126743 |
| Carus | city | Oregon | United States | 45.27139 | -122.56944 | 511 | 11487 |
| Carver | city | Oregon | United States | 45.39472 | -122.49611 | 200 | 19148 |
| Cascade Gorge | city | Oregon | United States | 42.71583 | -122.5675 | 2063 | 145 |
| Cascade Locks | city | Oregon | United States | 45.67 | -121.88944 | 400 | 1317 |
| Cascadia | city | Oregon | United States | 44.3975 | -122.48056 | 862 | 284 |
| Cave Junction | city | Oregon | United States | 42.16306 | -123.64694 | 1397 | 802 |
| Caverhill historical | city | Oregon | United States | 44.81806 | -119.09722 | 3720 | 42 |
| Caviness historical | city | Oregon | United States | 44.23333 | -117.81667 | 4704 | 56 |
| Cecil | city | Oregon | United States | 45.61806 | -119.95778 | 800 | 210 |
| Cedar Flat | city | Oregon | United States | 44.05278 | -122.84028 | 600 | 6387 |
| Cedar Hills | city | Oregon | United States | 45.505 | -122.79722 | 249 | 117152 |
| Cedar Mill | city | Oregon | United States | 45.525 | -122.80972 | 229 | 117152 |
| Cedar Point | city | Oregon | United States | 43.17972 | -124.21222 | 200 | 2886 |
| Cedardale | city | Oregon | United States | 45.15917 | -122.49361 | 600 | 2734 |
| Cedarhurst Park | city | Oregon | United States | 45.33111 | -122.425 | 400 | 6240 |
| Celilo Village | city | Oregon | United States | 45.64583 | -120.96472 | 754 | 251 |
| Centerville historical | city | Oregon | United States | 45.55139 | -123.06306 | 200 | 15762 |
| Central Point | city | Oregon | United States | 42.37611 | -122.91528 | 1302 | 28533 |
| Central Point | city | Oregon | United States | 45.29556 | -122.62917 | 236 | 33988 |
| Central historical | city | Oregon | United States | 44.63056 | -122.97361 | 275 | 3763 |
| Chadwell historical | city | Oregon | United States | 46.10278 | -123.85 | 95 | 2461 |
| Champoeg | city | Oregon | United States | 45.24889 | -122.89694 | 98 | 7947 |
| Chapman | city | Oregon | United States | 45.82528 | -122.98417 | 800 | 3209 |
| Chapman Corner | city | Oregon | United States | 44.96056 | -123.07778 | 226 | 57435 |
| Chapman Landing | city | Oregon | United States | 45.74611 | -122.83944 | 98 | 3481 |
| Charbonneau | city | Oregon | United States | 45.2875 | -122.75694 | 98 | 11293 |
| Charleston | city | Oregon | United States | 43.34028 | -124.32889 | 3 | 5739 |
| Charlestown | city | Oregon | United States | 45.88889 | -119.29639 | 498 | 5704 |
| Chase historical | city | Oregon | United States | 42.14056 | -122.00417 | 3992 | 112 |
| Chehalem | city | Oregon | United States | 45.32806 | -122.8875 | 682 | 15556 |
| Chemawa | city | Oregon | United States | 45.00167 | -122.99139 | 127 | 39575 |
| Chemult | city | Oregon | United States | 43.21667 | -121.78167 | 4799 | 61 |
| Chenoweth | city | Oregon | United States | 45.62778 | -121.24222 | 787 | 7352 |
| Cherry Grove | city | Oregon | United States | 45.44778 | -123.24222 | 400 | 1227 |
| Cherry Heights | city | Oregon | United States | 45.60306 | -121.23972 | 1062 | 11295 |
| Cherryville | city | Oregon | United States | 45.36722 | -122.15389 | 1351 | 1757 |
| Cheshire | city | Oregon | United States | 44.18972 | -123.28444 | 396 | 2476 |
| Chewaucan historical | city | Oregon | United States | 42.65972 | -120.52278 | 4379 | 14 |
| Chico historical | city | Oregon | United States | 45.73194 | -117.15417 | 3369 | 47 |
| Chiloquin | city | Oregon | United States | 42.57778 | -121.865 | 4199 | 98 |
| China Town | city | Oregon | United States | 44.49306 | -117.69833 | 3799 | 151 |
| Chitwood | city | Oregon | United States | 44.655 | -123.82139 | 200 | 718 |
| Christie historical | city | Oregon | United States | 45.40417 | -122.64722 | 200 | 105330 |
| Christmas Valley | city | Oregon | United States | 43.23639 | -120.63583 | 4386 | 14 |
| Civil Bend historical | city | Oregon | United States | 43.10694 | -123.42361 | 590 | 6228 |
| Clackamas | city | Oregon | United States | 45.40778 | -122.56917 | 196 | 77558 |
| Clackamas Heights | city | Oregon | United States | 45.37139 | -122.57806 | 242 | 52351 |
| Clarke | city | Oregon | United States | 45.83806 | -119.59972 | 370 | 548 |
| Clarkes | city | Oregon | United States | 45.21556 | -122.47 | 898 | 5269 |
| Clarksville | city | Oregon | United States | 44.49139 | -117.67889 | 3996 | 151 |
| Clarno | city | Oregon | United States | 44.91361 | -120.47222 | 1427 | 70 |
| Clatskanie | city | Oregon | United States | 46.10139 | -123.20556 | 200 | 1257 |
| Clatskanie Heights | city | Oregon | United States | 46.05611 | -123.21583 | 1056 | 1386 |
| Clear Creek | city | Oregon | United States | 45.80611 | -123.27833 | 800 | 826 |
| Clear Lake | city | Oregon | United States | 45.03556 | -123.01972 | 137 | 41924 |
| Clearwater | city | Oregon | United States | 43.26306 | -122.42083 | 2683 | 122 |
| Clem | city | Oregon | United States | 45.42139 | -120.20222 | 1912 | 61 |
| Cleveland | city | Oregon | United States | 43.29639 | -123.47528 | 400 | 1123 |
| Clifton | city | Oregon | United States | 46.21111 | -123.46111 | 190 | 341 |
| Climax | city | Oregon | United States | 42.29528 | -122.61861 | 4333 | 168 |
| Cline Falls historical | city | Oregon | United States | 44.27444 | -121.25833 | 2896 | 1833 |
| Clover Station historical | city | Oregon | United States | 42.22222 | -122.07083 | 4258 | 112 |
| Clover historical | city | Oregon | United States | 44.13611 | -117.87778 | 3841 | 56 |
| Cloverdale | city | Oregon | United States | 45.20611 | -123.89083 | 193 | 700 |
| Cloverdale | city | Oregon | United States | 43.925 | -122.96611 | 593 | 4050 |
| Cloverdale | city | Oregon | United States | 44.29139 | -121.45167 | 3090 | 996 |
| Clymer historical | city | Oregon | United States | 44.90139 | -122.80139 | 1112 | 5308 |
| Coaledo | city | Oregon | United States | 43.2325 | -124.23194 | 200 | 3237 |
| Cobb | city | Oregon | United States | 45.95528 | -118.39639 | 944 | 6734 |
| Coburg | city | Oregon | United States | 44.13722 | -123.06528 | 403 | 14308 |
| Cochrane historical | city | Oregon | United States | 44.88472 | -123.23611 | 200 | 10318 |
| Cold Springs | city | Oregon | United States | 45.87861 | -119.16444 | 620 | 2240 |
| Cold Springs Junction | city | Oregon | United States | 45.91389 | -119.13694 | 485 | 2240 |
| Coles Valley | city | Oregon | United States | 43.36528 | -123.50139 | 396 | 831 |
| Colestin | city | Oregon | United States | 42.05333 | -122.65 | 3592 | 249 |
| College Hill | city | Oregon | United States | 44.03111 | -123.09694 | 600 | 92282 |
| Colton | city | Oregon | United States | 45.17222 | -122.43667 | 751 | 2800 |
| Columbia City | city | Oregon | United States | 45.89028 | -122.80583 | 114 | 9563 |
| Columbia Heights | city | Oregon | United States | 45.86389 | -122.8375 | 187 | 12386 |
| Comstock | city | Oregon | United States | 43.73944 | -123.18528 | 610 | 529 |
| Concord | city | Oregon | United States | 45.40444 | -122.63639 | 200 | 105330 |
| Condon | city | Oregon | United States | 45.23444 | -120.18389 | 2805 | 61 |
| Conner Creek historical | city | Oregon | United States | 44.57222 | -117.19306 | 3802 | 152 |
| Cook | city | Oregon | United States | 45.40222 | -122.73194 | 200 | 85925 |
| Coos Bay | city | Oregon | United States | 43.36667 | -124.21667 | 131 | 20625 |
| Coos City historical | city | Oregon | United States | 43.30139 | -124.21111 | 200 | 12540 |
| Coos River | city | Oregon | United States | 43.37778 | -124.1 | 200 | 500 |
| Cooston | city | Oregon | United States | 43.395 | -124.18417 | 0 | 13500 |
| Copper | city | Oregon | United States | 42.02667 | -123.14556 | 2247 | 748 |
| Copper historical | city | Oregon | United States | 45.75139 | -116.54722 | 1430 | 147 |
| Coquille | city | Oregon | United States | 43.17722 | -124.18639 | 200 | 2951 |
| Corbett | city | Oregon | United States | 45.53194 | -122.29 | 600 | 3104 |
| Cord historical | city | Oregon | United States | 43.12583 | -118.1225 | 4097 | 5 |
| Corey Hill | city | Oregon | United States | 45.86194 | -123.20472 | 800 | 672 |
| Cornelius | city | Oregon | United States | 45.52 | -123.05861 | 200 | 21963 |
| Cornucopia | city | Oregon | United States | 45.00833 | -117.19167 | 5016 | 84 |
| Coronado Shores | city | Oregon | United States | 44.86528 | -124.03833 | 39 | 1551 |
| Corvallis | city | Oregon | United States | 44.56472 | -123.26083 | 200 | 46458 |
| Cottage Grove | city | Oregon | United States | 43.79778 | -123.05833 | 672 | 4883 |
| Cottrell | city | Oregon | United States | 45.45778 | -122.30444 | 672 | 13116 |
| Courtrock | city | Oregon | United States | 44.64083 | -119.36694 | 4015 | 42 |
| Cove | city | Oregon | United States | 45.29667 | -117.80694 | 2969 | 395 |
| Cove Orchard | city | Oregon | United States | 45.37528 | -123.15361 | 508 | 2364 |
| Cow Creek | city | Oregon | United States | 42.85667 | -123.59639 | 1220 | 161 |
| Crabtree | city | Oregon | United States | 44.63528 | -122.89694 | 285 | 3062 |
| Cracker City historical | city | Oregon | United States | 44.82389 | -118.20556 | 5387 | 97 |
| Cranberry Corners | city | Oregon | United States | 43.12583 | -124.38694 | 154 | 1170 |
| Crane | city | Oregon | United States | 43.41528 | -118.57722 | 4199 | 5 |
| Crawfordsville | city | Oregon | United States | 44.35722 | -122.85667 | 498 | 1279 |
| Crescent | city | Oregon | United States | 43.4625 | -121.69444 | 4537 | 61 |
| Creston | city | Oregon | United States | 43.50139 | -118.00889 | 4416 | 5 |
| Creswell | city | Oregon | United States | 43.91806 | -123.02333 | 580 | 4988 |
| Criterion historical | city | Oregon | United States | 45.0425 | -120.99667 | 2985 | 84 |
| Crockett | city | Oregon | United States | 45.97361 | -118.39639 | 892 | 6686 |
| Crooked River Ranch | city | Oregon | United States | 44.42472 | -121.23722 | 2201 | 673 |
| Crow | city | Oregon | United States | 43.99306 | -123.33833 | 551 | 3258 |
| Crowfoot | city | Oregon | United States | 44.50833 | -122.88889 | 387 | 13681 |
| Crowley | city | Oregon | United States | 43.29167 | -117.89333 | 4097 | 5 |
| Crown Point | city | Oregon | United States | 43.33028 | -124.30694 | 98 | 6292 |
| Crystal historical | city | Oregon | United States | 42.57639 | -122.08056 | 4199 | 112 |
| Culp Creek | city | Oregon | United States | 43.70361 | -122.84639 | 1046 | 312 |
| Culver | city | Oregon | United States | 44.52583 | -121.21194 | 2696 | 319 |
| Currinsville | city | Oregon | United States | 45.31528 | -122.34139 | 449 | 5229 |
| Curtin | city | Oregon | United States | 43.7225 | -123.21083 | 400 | 344 |
| Cushman | city | Oregon | United States | 43.98583 | -124.04306 | 200 | 2374 |
| Cutler City subdivision | city | Oregon | United States | 44.91639 | -124.01639 | 0 | 3317 |
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