| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Gales Ferry | city | Connecticut | United States | 41.42972 | -72.0825 | 88 | 29211 |
| Gaylordsville | city | Connecticut | United States | 41.64639 | -73.48472 | 275 | 7022 |
| Georgetown | city | Connecticut | United States | 41.25556 | -73.43528 | 301 | 19452 |
| Germantown | city | Connecticut | United States | 41.40806 | -73.44278 | 472 | 69014 |
| Giants Neck | city | Connecticut | United States | 41.30028 | -72.23306 | 0 | 12681 |
| Gilbert Corners | city | Connecticut | United States | 41.17556 | -73.44 | 321 | 41466 |
| Gildersleeve | city | Connecticut | United States | 41.59667 | -72.62139 | 13 | 27065 |
| Gilead | city | Connecticut | United States | 41.67333 | -72.40889 | 593 | 8602 |
| Gilman | city | Connecticut | United States | 41.57694 | -72.19972 | 321 | 5745 |
| Glasgo | city | Connecticut | United States | 41.55583 | -71.88861 | 203 | 5580 |
| Glastonbury | city | Connecticut | United States | 41.71222 | -72.60861 | 42 | 72209 |
| Glastonbury Center | city | Connecticut | United States | 41.70083 | -72.6 | 65 | 46277 |
| Glen Ridge | city | Connecticut | United States | 41.50111 | -73.06583 | 406 | 98444 |
| Glenbrook | city | Connecticut | United States | 41.06472 | -73.52667 | 68 | 115552 |
| Glenville | city | Connecticut | United States | 41.03528 | -73.66028 | 108 | 76333 |
| Godfrey Corner | city | Connecticut | United States | 41.23556 | -73.38472 | 291 | 21487 |
| Golden Hill Paugussett Indian Reservation | city | Connecticut | United States | 41.55417 | -72.26778 | 505 | 7298 |
| Golden Spur | city | Connecticut | United States | 41.36917 | -72.19694 | 121 | 20488 |
| Goodrich Heights | city | Connecticut | United States | 41.62639 | -72.65278 | 114 | 46957 |
| Goodrich Heights | city | Connecticut | United States | 41.62167 | -72.64639 | 114 | 51252 |
| Goodrichville | city | Connecticut | United States | 41.97778 | -72.81417 | 252 | 10321 |
| Goodspeeds Landing | city | Connecticut | United States | 41.45028 | -72.45833 | 95 | 6787 |
| Goshen | city | Connecticut | United States | 41.83167 | -73.22556 | 1305 | 7040 |
| Granbrook Park | city | Connecticut | United States | 41.93611 | -72.77111 | 187 | 15832 |
| Granby | city | Connecticut | United States | 41.95389 | -72.78917 | 200 | 15832 |
| Graniteville | city | Connecticut | United States | 41.335 | -72.15417 | 91 | 46209 |
| Grantville | city | Connecticut | United States | 41.95111 | -73.15694 | 1200 | 6222 |
| Grappaville | city | Connecticut | United States | 41.72083 | -73.22861 | 898 | 5879 |
| Grassy Hill historical | city | Connecticut | United States | 41.39611 | -72.28833 | 305 | 9351 |
| Green Manor Village | city | Connecticut | United States | 41.93667 | -72.66 | 98 | 30763 |
| Greenfield Hill | city | Connecticut | United States | 41.17639 | -73.29222 | 180 | 39801 |
| Greens Farms | city | Connecticut | United States | 41.12389 | -73.31972 | 29 | 23137 |
| Greenville | city | Connecticut | United States | 41.53361 | -72.05778 | 19 | 38771 |
| Greenwich | city | Connecticut | United States | 41.02639 | -73.62889 | 65 | 76333 |
| Griswoldville | city | Connecticut | United States | 41.69361 | -72.67111 | 114 | 108693 |
| Grosvenor Dale | city | Connecticut | United States | 41.96833 | -71.89528 | 357 | 15805 |
| Groton | city | Connecticut | United States | 41.35 | -72.07889 | 98 | 60927 |
| Groton Long Point | city | Connecticut | United States | 41.31444 | -72.00833 | 3 | 19198 |
| Grove Beach | city | Connecticut | United States | 41.27472 | -72.48389 | 6 | 12339 |
| Grover Hill | city | Connecticut | United States | 41.14639 | -73.22889 | 0 | 110738 |
| Guilford | city | Connecticut | United States | 41.28889 | -72.68222 | 65 | 15212 |
| Gulls Hollow | city | Connecticut | United States | 41.62917 | -73.22444 | 652 | 6495 |
| Gurleyville | city | Connecticut | United States | 41.81417 | -72.22167 | 298 | 18650 |
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