| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Caere | city | Lazio | Italy | 42.00 | 12.10 | 193 | 39146 |
| Caira | city | Lazio | Italy | 41.53 | 13.82 | 187 | 18661 |
| Cairo | city | Lazio | Italy | 41.53 | 13.82 | 187 | 18661 |
| Calcariola | city | Lazio | Italy | 42.35 | 12.97 | 2509 | 5185 |
| Calcata | city | Lazio | Italy | 42.22 | 12.42 | 830 | 8724 |
| Calcata Nuova | city | Lazio | Italy | 42.22 | 12.42 | 830 | 8724 |
| Calessina | city | Lazio | Italy | 41.88 | 12.37 | 147 | 176005 |
| Camerata Vecchia | city | Lazio | Italy | 42.00 | 13.12 | 4550 | 1511 |
| Campagnano di Roma | city | Lazio | Italy | 42.13 | 12.38 | 1122 | 29262 |
| Campo Catino | city | Lazio | Italy | 41.83 | 13.33 | 5433 | 3100 |
| Campo Iemini | city | Lazio | Italy | 41.62 | 12.50 | 82 | 34273 |
| Campo Marzio | city | Lazio | Italy | 41.90 | 12.47 | 42 | 175935 |
| Campo de Marte | city | Lazio | Italy | 41.90 | 12.47 | 42 | 175935 |
| Campo dell'Oro | city | Lazio | Italy | 42.09 | 11.83 | 830 | 42271 |
| Campo dell’Oro | city | Lazio | Italy | 42.09 | 11.83 | 830 | 42271 |
| Campo di Carne | city | Lazio | Italy | 41.55 | 12.63 | 259 | 43821 |
| Campodimele | city | Lazio | Italy | 41.38 | 13.03 | 36 | 15045 |
| Campolano | city | Lazio | Italy | 42.22 | 13.08 | 2001 | 1990 |
| Campoleone | city | Lazio | Italy | 41.65 | 12.62 | 406 | 48320 |
| Campoli Appennino | city | Lazio | Italy | 41.73 | 13.68 | 2027 | 10157 |
| Campomorto | city | Lazio | Italy | 41.53 | 12.73 | 88 | 35544 |
| Camporeale | city | Lazio | Italy | 42.12 | 11.78 | 160 | 32426 |
| Campus Martius | city | Lazio | Italy | 41.90 | 12.47 | 42 | 175935 |
| Canale Monterano | city | Lazio | Italy | 42.13 | 12.08 | 987 | 10479 |
| Canepina | city | Lazio | Italy | 42.38 | 12.23 | 1669 | 13549 |
| Caninium | city | Lazio | Italy | 42.47 | 11.75 | 830 | 3416 |
| Canino | city | Lazio | Italy | 42.47 | 11.75 | 830 | 3416 |
| Caninu | city | Lazio | Italy | 42.47 | 11.75 | 830 | 3416 |
| Canneto | city | Lazio | Italy | 42.18 | 12.73 | 830 | 13239 |
| Cantalice | city | Lazio | Italy | 42.47 | 12.90 | 2509 | 17494 |
| Cantalupo | city | Lazio | Italy | 42.30 | 12.65 | 347 | 10030 |
| Cantalupo Sabino | city | Lazio | Italy | 42.30 | 12.65 | 347 | 10030 |
| Cantalupo in Sabina | city | Lazio | Italy | 42.30 | 12.65 | 347 | 10030 |
| Capannelle | city | Lazio | Italy | 41.83 | 12.57 | 246 | 181819 |
| Capena | city | Lazio | Italy | 42.23 | 12.53 | 830 | 8320 |
| Capena | city | Lazio | Italy | 42.13 | 12.53 | 328 | 22833 |
| Capodimonte | city | Lazio | Italy | 42.55 | 11.92 | 1000 | 3856 |
| Capograssa | city | Lazio | Italy | 41.43 | 12.97 | 39 | 34484 |
| Cappuccini di Riano | city | Lazio | Italy | 42.10 | 12.50 | 830 | 28573 |
| Capradosso | city | Lazio | Italy | 42.32 | 13.02 | 2509 | 2475 |
| Capranica | city | Lazio | Italy | 42.25 | 12.18 | 1010 | 11484 |
| Capranica Prenestina | city | Lazio | Italy | 41.87 | 12.95 | 1968 | 13417 |
| Caprarola | city | Lazio | Italy | 42.32 | 12.23 | 1669 | 11294 |
| Capricchia | city | Lazio | Italy | 42.62 | 13.33 | 4189 | 1471 |
| Caprile | city | Lazio | Italy | 41.53 | 13.68 | 830 | 11878 |
| Carano | city | Lazio | Italy | 41.58 | 12.72 | 177 | 24521 |
| Carbognano | city | Lazio | Italy | 42.33 | 12.27 | 1148 | 13657 |
| Cardito | city | Lazio | Italy | 41.58 | 13.97 | 3412 | 1990 |
| Carnello | city | Lazio | Italy | 41.68 | 13.62 | 1669 | 25146 |
| Carpineto Romano | city | Lazio | Italy | 41.60 | 13.08 | 2509 | 5011 |
| Carroceto | city | Lazio | Italy | 41.58 | 12.63 | 236 | 34776 |
| Cartore | city | Lazio | Italy | 42.17 | 13.30 | 3349 | 2810 |
| Casa Buffalotta | city | Lazio | Italy | 41.98 | 12.55 | 160 | 174457 |
| Casa Santa Palomba | city | Lazio | Italy | 41.70 | 12.58 | 410 | 106307 |
| Casa Savini | city | Lazio | Italy | 42.32 | 12.62 | 830 | 8581 |
| Casa Tragliata | city | Lazio | Italy | 41.97 | 12.25 | 164 | 90603 |
| Casa Villafranca | city | Lazio | Italy | 41.48 | 12.98 | 16 | 33643 |
| Casa la Rocca | city | Lazio | Italy | 42.37 | 11.90 | 328 | 2846 |
| Casaccia | city | Lazio | Italy | 42.05 | 12.28 | 830 | 67806 |
| Casalaccio | city | Lazio | Italy | 41.65 | 12.72 | 830 | 40839 |
| Casalattico | city | Lazio | Italy | 41.62 | 13.72 | 2509 | 6612 |
| Casale Acquaviva | city | Lazio | Italy | 41.98 | 12.35 | 324 | 148193 |
| Casale Bufalotta | city | Lazio | Italy | 41.98 | 12.55 | 160 | 174457 |
| Casale Campo di Carne | city | Lazio | Italy | 41.55 | 12.63 | 259 | 43821 |
| Casale Campoleone | city | Lazio | Italy | 41.65 | 12.62 | 406 | 48320 |
| Casale Campomorto | city | Lazio | Italy | 41.53 | 12.73 | 88 | 35544 |
| Casale Carano | city | Lazio | Italy | 41.58 | 12.72 | 177 | 24521 |
| Casale Cassinese | city | Lazio | Italy | 41.55 | 13.98 | 2509 | 2145 |
| Casale Cesarina | city | Lazio | Italy | 41.97 | 12.58 | 170 | 165336 |
| Casale Col Cavaliere | city | Lazio | Italy | 41.63 | 12.68 | 331 | 27755 |
| Casale Fiammingo | city | Lazio | Italy | 41.62 | 12.77 | 328 | 25067 |
| Casale Granaraccio | city | Lazio | Italy | 41.92 | 12.73 | 262 | 107995 |
| Casale Malnome | city | Lazio | Italy | 41.85 | 12.32 | 75 | 176078 |
| Casale Marcigliana | city | Lazio | Italy | 42.02 | 12.52 | 160 | 153636 |
| Casale Nuovo Presciano | city | Lazio | Italy | 41.63 | 12.72 | 364 | 29297 |
| Casale Nuovo di Presciano | city | Lazio | Italy | 41.63 | 12.72 | 364 | 29297 |
| Casale Pisana | city | Lazio | Italy | 41.85 | 12.38 | 137 | 176078 |
| Casale Ponte Galeria | city | Lazio | Italy | 41.82 | 12.35 | 22 | 176167 |
| Casale Prima Porta | city | Lazio | Italy | 42.00 | 12.48 | 82 | 166436 |
| Casale Sant'Antonio | city | Lazio | Italy | 41.98 | 12.62 | 226 | 128967 |
| Casale Santa Palomba | city | Lazio | Italy | 41.70 | 12.58 | 410 | 106307 |
| Casale Santa Procula | city | Lazio | Italy | 41.67 | 12.53 | 249 | 71957 |
| Casale Sant’Antonio | city | Lazio | Italy | 41.98 | 12.62 | 226 | 128967 |
| Casale Smeraldi | city | Lazio | Italy | 41.80 | 12.52 | 242 | 176210 |
| Casale Torre San Giovanni | city | Lazio | Italy | 41.98 | 12.57 | 167 | 167959 |
| Casale Vignarola | city | Lazio | Italy | 41.48 | 12.58 | 0 | 27862 |
| Casale del Re | city | Lazio | Italy | 41.58 | 13.87 | 1755 | 8410 |
| Casale della Mandria | city | Lazio | Italy | 41.62 | 12.67 | 249 | 26157 |
| Casale di Padiglione | city | Lazio | Italy | 41.55 | 12.70 | 144 | 32721 |
| Casale di Scorano | city | Lazio | Italy | 42.13 | 12.58 | 150 | 27265 |
| Casale la Cogna | city | Lazio | Italy | 41.57 | 12.58 | 229 | 37637 |
| Casali | city | Lazio | Italy | 41.38 | 13.75 | 1220 | 9407 |
| Casalvieri | city | Lazio | Italy | 41.63 | 13.72 | 954 | 7163 |
| Casape | city | Lazio | Italy | 41.90 | 12.88 | 1968 | 11191 |
| Casaprota | city | Lazio | Italy | 42.25 | 12.80 | 1669 | 5417 |
| Case Carano | city | Lazio | Italy | 41.58 | 12.72 | 177 | 24521 |
| Case Nuove | city | Lazio | Italy | 42.57 | 12.98 | 3349 | 1321 |
| Case Riminino | city | Lazio | Italy | 42.47 | 11.65 | 830 | 3341 |
| Casette | city | Lazio | Italy | 42.00 | 12.72 | 308 | 65607 |
| Casette | city | Lazio | Italy | 42.38 | 12.90 | 1669 | 18452 |
| Casolare | city | Lazio | Italy | 41.48 | 12.78 | 72 | 30873 |
| Casperia | city | Lazio | Italy | 42.33 | 12.67 | 974 | 6374 |
| Cassino | city | Lazio | Italy | 41.50 | 13.82 | 170 | 23833 |
| Cassino | city | Lazio | Italy | 42.67 | 13.22 | 3349 | 1075 |
| Castel Fusana | city | Lazio | Italy | 41.73 | 12.32 | 13 | 120562 |
| Castel Fusano | city | Lazio | Italy | 41.73 | 12.32 | 13 | 120562 |
| Castel Gandolfo | city | Lazio | Italy | 41.75 | 12.65 | 967 | 105497 |
| Castel Giuliano | city | Lazio | Italy | 42.05 | 12.12 | 830 | 12522 |
| Castel Madama | city | Lazio | Italy | 41.97 | 12.87 | 971 | 18596 |
| Castel Malnome | city | Lazio | Italy | 41.85 | 12.32 | 75 | 176078 |
| Castel Porziano | city | Lazio | Italy | 41.73 | 12.40 | 160 | 154426 |
| Castel Romano | city | Lazio | Italy | 41.73 | 12.45 | 164 | 160294 |
| Castel San Benedetto | city | Lazio | Italy | 42.37 | 12.85 | 1669 | 19308 |
| Castel San Pietro | city | Lazio | Italy | 42.25 | 12.72 | 830 | 10296 |
| Castel San Pietro Romano | city | Lazio | Italy | 41.85 | 12.88 | 2509 | 23760 |
| Castel Sant'Angelo | city | Lazio | Italy | 42.38 | 13.02 | 1886 | 4586 |
| Castel Sant'Elia | city | Lazio | Italy | 42.25 | 12.37 | 830 | 13042 |
| Castel Sant’Angelo | city | Lazio | Italy | 42.38 | 13.02 | 1886 | 4586 |
| Castel Sant’Elia | city | Lazio | Italy | 42.25 | 12.37 | 830 | 13042 |
| Castel di Decima | city | Lazio | Italy | 41.75 | 12.43 | 164 | 167748 |
| Castel di Guido | city | Lazio | Italy | 41.90 | 12.28 | 164 | 162753 |
| Castel di Leva | city | Lazio | Italy | 41.78 | 12.53 | 324 | 176254 |
| Castel di Tora | city | Lazio | Italy | 42.22 | 12.97 | 1725 | 1870 |
| Castelchiodato | city | Lazio | Italy | 42.05 | 12.70 | 830 | 33326 |
| Castelforte | city | Lazio | Italy | 41.30 | 13.82 | 200 | 13269 |
| Castelforti | city | Lazio | Italy | 41.30 | 13.82 | 200 | 13269 |
| Castelfranco | city | Lazio | Italy | 42.43 | 12.92 | 1916 | 22901 |
| Castelliri | city | Lazio | Italy | 41.68 | 13.55 | 830 | 34180 |
| Castello di Corno | city | Lazio | Italy | 42.38 | 13.13 | 3556 | 3119 |
| Castellonorato | city | Lazio | Italy | 41.28 | 13.68 | 131 | 26362 |
| Castelluccio | city | Lazio | Italy | 42.20 | 13.12 | 3349 | 2712 |
| Castelmenardo | city | Lazio | Italy | 42.20 | 13.22 | 2509 | 2885 |
| Castelnuovo Parano | city | Lazio | Italy | 41.37 | 13.75 | 1026 | 9416 |
| Castelnuovo di Farfa | city | Lazio | Italy | 42.23 | 12.73 | 1023 | 13158 |
| Castelnuovo di Porto | city | Lazio | Italy | 42.12 | 12.50 | 830 | 20460 |
| Castiglione | city | Lazio | Italy | 42.43 | 12.67 | 1873 | 1946 |
| Castiglione in Teverina | city | Lazio | Italy | 42.65 | 12.20 | 830 | 6352 |
| Castle Tragliatella | city | Lazio | Italy | 42.02 | 12.22 | 830 | 34425 |
| Castro de' Volsci | city | Lazio | Italy | 41.50 | 13.40 | 1669 | 8916 |
| Castro dei Volsci | city | Lazio | Italy | 41.50 | 13.40 | 1669 | 8916 |
| Castro de’ Volsci | city | Lazio | Italy | 41.50 | 13.40 | 1669 | 8916 |
| Castrocielo | city | Lazio | Italy | 41.53 | 13.70 | 1669 | 11109 |
| Castromenio | city | Lazio | Italy | 41.77 | 12.65 | 974 | 111413 |
| Castrum Forte | city | Lazio | Italy | 41.30 | 13.82 | 200 | 13269 |
| Castrum Monticelli | city | Lazio | Italy | 41.35 | 13.35 | 16 | 13022 |
| Castrum Sculculae | city | Lazio | Italy | 41.67 | 13.15 | 1669 | 10640 |
| Catino | city | Lazio | Italy | 42.28 | 12.68 | 980 | 10146 |
| Cave | city | Lazio | Italy | 41.82 | 12.93 | 1135 | 24893 |
| Cave Vecchie | city | Lazio | Italy | 42.17 | 11.92 | 1669 | 3363 |