| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Garland | city | Wyoming | United States | 44.77972 | -108.65972 | 4271 | 266 |
| Gibson | city | Wyoming | United States | 42.01861 | -104.95694 | 4839 | 1892 |
| Gillette | city | Wyoming | United States | 44.29111 | -105.50167 | 4599 | 11561 |
| Gleason | city | Wyoming | United States | 41.00833 | -104.87361 | 6151 | 1347 |
| Glendo | city | Wyoming | United States | 42.50278 | -105.02556 | 4799 | 64 |
| Glenrock | city | Wyoming | United States | 42.86139 | -105.87167 | 5026 | 2609 |
| Goose Egg | city | Wyoming | United States | 42.7625 | -106.48611 | 5590 | 995 |
| Gramm | city | Wyoming | United States | 41.03833 | -106.12861 | 8825 | 51 |
| Granger | city | Wyoming | United States | 41.59361 | -109.96806 | 6289 | 14 |
| Granger Junction | city | Wyoming | United States | 41.54639 | -109.91333 | 6377 | 11 |
| Granite | city | Wyoming | United States | 41.1 | -105.15778 | 7198 | 98 |
| Grass Creek | city | Wyoming | United States | 43.94028 | -108.64778 | 5580 | 33 |
| Green River | city | Wyoming | United States | 41.52861 | -109.46556 | 6145 | 4020 |
| Greenhough Place | city | Wyoming | United States | 41.07389 | -109.24417 | 7345 | 1 |
| Greybull | city | Wyoming | United States | 44.48917 | -108.05556 | 3812 | 149 |
| Grover | city | Wyoming | United States | 42.79167 | -110.93583 | 6161 | 1095 |
| Grovont | city | Wyoming | United States | 43.645 | -110.66333 | 6601 | 33 |
| Guernsey | city | Wyoming | United States | 42.26972 | -104.74111 | 4363 | 140 |
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