| Willebroek to Grottaglie | 959.31 mi (1,543.87 km) |
| Willebroek to Grottammare | 714.04 mi (1,149.14 km) |
| Willebroek to Grugliasco | 440.08 mi (708.23 km) |
| Willebroek to Grumo Appula | 909.70 mi (1,464.02 km) |
| Willebroek to Grumo Nevano | 844.52 mi (1,359.12 km) |
| Willebroek to Gualdo Tadino | 669.40 mi (1,077.30 km) |
| Willebroek to Guardiagrele | 769.10 mi (1,237.75 km) |
| Willebroek to Guastalla | 514.77 mi (828.45 km) |
| Willebroek to Gubbio | 656.71 mi (1,056.87 km) |
| Willebroek to Guspini | 823.05 mi (1,324.57 km) |
| Willebroek to Gussago | 461.46 mi (742.64 km) |
| Willebroek to Iesi | 665.71 mi (1,071.36 km) |
| Willebroek to Iesolo | 538.77 mi (867.06 km) |
| Willebroek to Iglesias | 836.46 mi (1,346.15 km) |
| Willebroek to Imola | 575.47 mi (926.14 km) |
