| Castel Gandolfo to Menen | 771.99 mi (1,242.39 km) |
| Castel Gandolfo to Merchtem | 751.87 mi (1,210.02 km) |
| Castel Gandolfo to Merelbeke | 766.13 mi (1,232.96 km) |
| Castel Gandolfo to Merksem | 762.45 mi (1,227.05 km) |
| Castel Gandolfo to Merksplas | 759.66 mi (1,222.55 km) |
| Castel Gandolfo to Mettet | 704.69 mi (1,134.10 km) |
| Castel Gandolfo to Meulebeke | 775.71 mi (1,248.38 km) |
| Castel Gandolfo to Middelkerke | 801.10 mi (1,289.25 km) |
| Castel Gandolfo to Mol | 743.19 mi (1,196.06 km) |
| Castel Gandolfo to Mons | 730.63 mi (1,175.83 km) |
| Castel Gandolfo to Montignies-le-Tilleul | 715.40 mi (1,151.33 km) |
| Castel Gandolfo to Moorslede | 778.68 mi (1,253.17 km) |
| Castel Gandolfo to Moortebeek | 742.91 mi (1,195.59 km) |
| Castel Gandolfo to Morlanwelz-Mariemont | 723.05 mi (1,163.63 km) |
| Castel Gandolfo to Mortsel | 757.48 mi (1,219.04 km) |
