| Potomac to Grayslake (Illinois) | 612.15 mi (985.17 km) |
| Potomac to Great Bend (Kansas) | 1,163.47 mi (1,872.43 km) |
| Potomac to Great Falls (Montana) | 1,796.67 mi (2,891.46 km) |
| Potomac to Great Falls (Virginia) | 5.75 mi (9.25 km) |
| Potomac to Great Neck (New York) | 221.16 mi (355.92 km) |
| Potomac to Greeley (Colorado) | 1,462.90 mi (2,354.31 km) |
| Potomac to Green (Ohio) | 263.09 mi (423.40 km) |
| Potomac to Green Bay (Wisconsin) | 672.87 mi (1,082.87 km) |
| Potomac to Green River (Wyoming) | 1,700.55 mi (2,736.77 km) |
| Potomac to Green Valley (Arizona) | 1,954.62 mi (3,145.65 km) |
| Potomac to Green Valley (Maryland) | 22.75 mi (36.61 km) |
| Potomac to Greenacres (Florida) | 872.61 mi (1,404.33 km) |
| Potomac to Greenbelt (Maryland) | 16.47 mi (26.51 km) |
| Potomac to Greendale (Wisconsin) | 624.90 mi (1,005.67 km) |
| Potomac to Greeneville (Tennessee) | 365.29 mi (587.89 km) |
