| Potomac to Giovinazzo | 4,696.07 mi (7,557.60 km) |
| Potomac to Giugliano in Campania | 4,597.10 mi (7,398.32 km) |
| Potomac to Giulianova | 4,520.28 mi (7,274.69 km) |
| Potomac to Giussano | 4,216.06 mi (6,785.09 km) |
| Potomac to Goito | 4,292.68 mi (6,908.40 km) |
| Potomac to Gonzaga | 4,309.04 mi (6,934.73 km) |
| Potomac to Gorgonzola | 4,229.25 mi (6,806.33 km) |
| Potomac to Gorizia | 4,394.16 mi (7,071.72 km) |
| Potomac to Gragnano | 4,619.96 mi (7,435.10 km) |
| Potomac to Grammichele | 4,756.43 mi (7,654.73 km) |
| Potomac to Granarolo del l'Emilia | 4,349.62 mi (7,000.04 km) |
| Potomac to Gravina in Puglia | 4,699.06 mi (7,562.40 km) |
| Potomac to Grezzana | 4,298.78 mi (6,918.21 km) |
| Potomac to Gricignano d'Aversa | 4,594.06 mi (7,393.42 km) |
| Potomac to Grosseto | 4,395.26 mi (7,073.48 km) |
