| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Twain | city | California | United States | 40.02 | -121.07 | 3349 | |
| Twain | city | Nevada | United States | 40.55 | -118.24 | 5288 | |
| Twain Harte | city | California | United States | 38.04 | -120.23 | 3700 | |
| Twain Harte Valley | city | California | United States | 38.05 | -120.23 | 4189 | |
| Tway | city | Kentucky | United States | 36.83 | -83.32 | 1669 |