| Portimao to Giovinazzo | 1,373.85 mi (2,210.99 km) |
| Portimao to Giugliano in Campania | 1,244.19 mi (2,002.33 km) |
| Portimao to Giulianova | 1,248.37 mi (2,009.05 km) |
| Portimao to Giussano | 1,090.00 mi (1,754.19 km) |
| Portimao to Goito | 1,140.91 mi (1,836.12 km) |
| Portimao to Gonzaga | 1,139.89 mi (1,834.48 km) |
| Portimao to Gorgonzola | 1,092.87 mi (1,758.81 km) |
| Portimao to Gorizia | 1,290.92 mi (2,077.53 km) |
| Portimao to Gragnano | 1,259.66 mi (2,027.22 km) |
| Portimao to Grammichele | 1,272.63 mi (2,048.10 km) |
| Portimao to Granarolo del l'Emilia | 1,159.39 mi (1,865.86 km) |
| Portimao to Gravina in Puglia | 1,359.48 mi (2,187.87 km) |
| Portimao to Grezzana | 1,163.71 mi (1,872.81 km) |
| Portimao to Gricignano d'Aversa | 1,243.95 mi (2,001.95 km) |
| Portimao to Grosseto | 1,107.31 mi (1,782.05 km) |
