| Willoughby to Menen | 3,865.55 mi (6,221.00 km) |
| Willoughby to Merchtem | 3,903.70 mi (6,282.39 km) |
| Willoughby to Merelbeke | 3,883.86 mi (6,250.47 km) |
| Willoughby to Merksem | 3,903.21 mi (6,281.60 km) |
| Willoughby to Merksplas | 3,915.76 mi (6,301.81 km) |
| Willoughby to Mettet | 3,940.54 mi (6,341.69 km) |
| Willoughby to Meulebeke | 3,867.33 mi (6,223.86 km) |
| Willoughby to Middelkerke | 3,841.97 mi (6,183.05 km) |
| Willoughby to Mol | 3,931.14 mi (6,326.56 km) |
| Willoughby to Mons | 3,908.69 mi (6,290.44 km) |
| Willoughby to Montignies-le-Tilleul | 3,927.79 mi (6,321.16 km) |
| Willoughby to Moorslede | 3,860.36 mi (6,212.64 km) |
| Willoughby to Moortebeek | 3,911.28 mi (6,294.59 km) |
| Willoughby to Morlanwelz-Mariemont | 3,919.81 mi (6,308.32 km) |
| Willoughby to Mortsel | 3,906.54 mi (6,286.98 km) |
