| Potomac to Greenwood (South Carolina) | 431.77 mi (694.87 km) |
| Potomac to Greenwood Village (Colorado) | 1,476.42 mi (2,376.07 km) |
| Potomac to Greer (South Carolina) | 395.87 mi (637.09 km) |
| Potomac to Grenada (Mississippi) | 788.41 mi (1,268.83 km) |
| Potomac to Gresham (Oregon) | 2,325.06 mi (3,741.82 km) |
| Potomac to Gretna (Louisiana) | 963.69 mi (1,550.90 km) |
| Potomac to Griffin (Georgia) | 561.06 mi (902.94 km) |
| Potomac to Griffith (Indiana) | 566.14 mi (911.12 km) |
| Potomac to Grimes (Iowa) | 891.83 mi (1,435.26 km) |
| Potomac to Grosse Pointe Park (Michigan) | 379.72 mi (611.10 km) |
| Potomac to Grosse Pointe Woods (Michigan) | 380.82 mi (612.86 km) |
| Potomac to Grove City (Ohio) | 318.88 mi (513.19 km) |
| Potomac to Groveland (Florida) | 766.13 mi (1,232.97 km) |
| Potomac to Grover Beach (California) | 2,386.51 mi (3,840.72 km) |
| Potomac to Groves (Texas) | 1,137.11 mi (1,830.00 km) |
