| Cascais to Giovinazzo | 1,387.08 mi (2,232.29 km) |
| Cascais to Giugliano in Campania | 1,258.69 mi (2,025.67 km) |
| Cascais to Giulianova | 1,250.77 mi (2,012.93 km) |
| Cascais to Giussano | 1,065.83 mi (1,715.28 km) |
| Cascais to Goito | 1,122.57 mi (1,806.60 km) |
| Cascais to Gonzaga | 1,123.85 mi (1,808.67 km) |
| Cascais to Gorgonzola | 1,070.23 mi (1,722.36 km) |
| Cascais to Gorizia | 1,272.66 mi (2,048.14 km) |
| Cascais to Gragnano | 1,275.75 mi (2,053.11 km) |
| Cascais to Grammichele | 1,310.61 mi (2,109.22 km) |
| Cascais to Granarolo del l'Emilia | 1,147.06 mi (1,846.02 km) |
| Cascais to Gravina in Puglia | 1,374.90 mi (2,212.69 km) |
| Cascais to Grezzana | 1,144.18 mi (1,841.37 km) |
| Cascais to Gricignano d'Aversa | 1,258.00 mi (2,024.56 km) |
| Cascais to Grosseto | 1,107.22 mi (1,781.91 km) |
