| Potomac to Granada | 3,887.93 mi (6,257.02 km) |
| Potomac to Granadilla de Abona | 3,505.13 mi (5,640.96 km) |
| Potomac to Granollers | 4,034.72 mi (6,493.26 km) |
| Potomac to Grinon | 3,785.89 mi (6,092.80 km) |
| Potomac to Guadalajara | 3,806.71 mi (6,126.31 km) |
| Potomac to Guadarrama | 3,761.53 mi (6,053.60 km) |
| Potomac to Guadix | 3,907.23 mi (6,288.07 km) |
| Potomac to Guardamar del Segura | 4,003.80 mi (6,443.49 km) |
| Potomac to Guernica y Luno | 3,755.98 mi (6,044.67 km) |
| Potomac to Guia de Isora | 3,491.58 mi (5,619.15 km) |
| Potomac to Guillena | 3,756.14 mi (6,044.92 km) |
| Potomac to Guimar | 3,507.73 mi (5,645.15 km) |
| Potomac to Hellin | 3,940.74 mi (6,342.00 km) |
| Potomac to Herencia | 3,834.32 mi (6,170.74 km) |
| Potomac to Hernani | 3,789.73 mi (6,098.98 km) |
