| Carlow to Menen | 451.42 mi (726.49 km) |
| Carlow to Merchtem | 492.56 mi (792.69 km) |
| Carlow to Merelbeke | 471.98 mi (759.58 km) |
| Carlow to Merksem | 495.11 mi (796.81 km) |
| Carlow to Merksplas | 510.27 mi (821.20 km) |
| Carlow to Mettet | 526.30 mi (847.00 km) |
| Carlow to Meulebeke | 454.26 mi (731.06 km) |
| Carlow to Middelkerke | 429.64 mi (691.44 km) |
| Carlow to Mol | 524.25 mi (843.70 km) |
| Carlow to Mons | 494.15 mi (795.26 km) |
| Carlow to Montignies-le-Tilleul | 513.48 mi (826.36 km) |
| Carlow to Moorslede | 446.60 mi (718.74 km) |
| Carlow to Moortebeek | 499.50 mi (803.87 km) |
| Carlow to Morlanwelz-Mariemont | 505.58 mi (813.66 km) |
| Carlow to Mortsel | 497.74 mi (801.04 km) |
