| Letterkenny to Menen | 534.90 mi (860.84 km) |
| Letterkenny to Merchtem | 567.71 mi (913.64 km) |
| Letterkenny to Merelbeke | 548.99 mi (883.52 km) |
| Letterkenny to Merksem | 565.00 mi (909.27 km) |
| Letterkenny to Merksplas | 576.32 mi (927.49 km) |
| Letterkenny to Mettet | 608.63 mi (979.49 km) |
| Letterkenny to Meulebeke | 534.45 mi (860.12 km) |
| Letterkenny to Middelkerke | 508.50 mi (818.35 km) |
| Letterkenny to Mol | 592.08 mi (952.86 km) |
| Letterkenny to Mons | 578.27 mi (930.64 km) |
| Letterkenny to Montignies-le-Tilleul | 596.30 mi (959.65 km) |
| Letterkenny to Moorslede | 528.93 mi (851.23 km) |
| Letterkenny to Moortebeek | 575.83 mi (926.71 km) |
| Letterkenny to Morlanwelz-Mariemont | 588.25 mi (946.70 km) |
| Letterkenny to Mortsel | 568.71 mi (915.25 km) |
