| Portimao to Gaeta | 1,213.46 mi (1,952.87 km) |
| Portimao to Gaggiano | 1,073.08 mi (1,726.96 km) |
| Portimao to Galatina | 1,450.51 mi (2,334.38 km) |
| Portimao to Galatone | 1,445.24 mi (2,325.89 km) |
| Portimao to Galbiate | 1,100.28 mi (1,770.73 km) |
| Portimao to Gallarate | 1,070.60 mi (1,722.97 km) |
| Portimao to Galliate | 1,060.96 mi (1,707.44 km) |
| Portimao to Gallipoli | 1,441.32 mi (2,319.58 km) |
| Portimao to Gambettola | 1,191.68 mi (1,917.82 km) |
| Portimao to Gambolo | 1,061.23 mi (1,707.89 km) |
| Portimao to Garbagnate Milanese | 1,080.36 mi (1,738.67 km) |
| Portimao to Gardone Val Trompia | 1,131.53 mi (1,821.03 km) |
| Portimao to Garlasco | 1,061.76 mi (1,708.74 km) |
| Portimao to Gassino Torinese | 1,011.88 mi (1,628.47 km) |
| Portimao to Gatteo | 1,193.72 mi (1,921.11 km) |
