| Potomac to Germantown (Tennessee) | 744.60 mi (1,198.32 km) |
| Potomac to Germantown (Wisconsin) | 638.42 mi (1,027.44 km) |
| Potomac to Gibsonton (Florida) | 828.37 mi (1,333.13 km) |
| Potomac to Gig Harbor (Washington) | 2,323.68 mi (3,739.61 km) |
| Potomac to Gilbert (Arizona) | 1,955.05 mi (3,146.34 km) |
| Potomac to Gillette (Wyoming) | 1,497.79 mi (2,410.45 km) |
| Potomac to Gilroy (California) | 2,396.56 mi (3,856.90 km) |
| Potomac to Gladeview (Florida) | 927.24 mi (1,492.25 km) |
| Potomac to Gladstone (Missouri) | 929.59 mi (1,496.04 km) |
| Potomac to Gladstone (Oregon) | 2,333.15 mi (3,754.85 km) |
| Potomac to Glasgow (Delaware) | 87.36 mi (140.59 km) |
| Potomac to Glasgow (Kentucky) | 494.99 mi (796.60 km) |
| Potomac to Glassboro (New Jersey) | 120.99 mi (194.71 km) |
| Potomac to Glassmanor (Maryland) | 17.67 mi (28.43 km) |
| Potomac to Glen Allen (Virginia) | 94.46 mi (152.01 km) |
