| Grimbergen to Grottaglie | 952.38 mi (1,532.71 km) |
| Grimbergen to Grottammare | 706.76 mi (1,137.42 km) |
| Grimbergen to Grugliasco | 431.21 mi (693.97 km) |
| Grimbergen to Grumo Appula | 902.70 mi (1,452.75 km) |
| Grimbergen to Grumo Nevano | 836.81 mi (1,346.72 km) |
| Grimbergen to Gualdo Tadino | 661.84 mi (1,065.12 km) |
| Grimbergen to Guardiagrele | 761.69 mi (1,225.83 km) |
| Grimbergen to Guastalla | 506.99 mi (815.92 km) |
| Grimbergen to Gubbio | 649.10 mi (1,044.63 km) |
| Grimbergen to Guspini | 814.00 mi (1,310.00 km) |
| Grimbergen to Gussago | 453.72 mi (730.19 km) |
| Grimbergen to Iesi | 658.40 mi (1,059.59 km) |
| Grimbergen to Iesolo | 532.10 mi (856.34 km) |
| Grimbergen to Iglesias | 827.39 mi (1,331.55 km) |
| Grimbergen to Imola | 567.89 mi (913.94 km) |
