| Potomac to Gaffney (South Carolina) | 366.81 mi (590.32 km) |
| Potomac to Gages Lake (Illinois) | 609.93 mi (981.59 km) |
| Potomac to Gahanna (Ohio) | 310.08 mi (499.03 km) |
| Potomac to Gainesville (Florida) | 708.36 mi (1,140.00 km) |
| Potomac to Gainesville (Georgia) | 491.47 mi (790.95 km) |
| Potomac to Gainesville (Texas) | 1,168.31 mi (1,880.21 km) |
| Potomac to Gainesville (Virginia) | 28.18 mi (45.34 km) |
| Potomac to Gaithersburg (Maryland) | 8.39 mi (13.50 km) |
| Potomac to Galena Park (Texas) | 1,208.26 mi (1,944.51 km) |
| Potomac to Galesburg (Illinois) | 709.87 mi (1,142.42 km) |
| Potomac to Galion (Ohio) | 319.13 mi (513.59 km) |
| Potomac to Gallatin (Tennessee) | 538.50 mi (866.63 km) |
| Potomac to Gallup (New Mexico) | 1,742.66 mi (2,804.54 km) |
| Potomac to Galt (California) | 2,357.06 mi (3,793.31 km) |
| Potomac to Galveston (Texas) | 1,212.93 mi (1,952.02 km) |
