| Biarritz to Menen | 551.00 mi (886.74 km) |
| Biarritz to Merchtem | 583.93 mi (939.74 km) |
| Biarritz to Merelbeke | 575.83 mi (926.71 km) |
| Biarritz to Merksem | 604.97 mi (973.60 km) |
| Biarritz to Merksplas | 621.68 mi (1,000.50 km) |
| Biarritz to Mettet | 555.82 mi (894.51 km) |
| Biarritz to Meulebeke | 563.70 mi (907.19 km) |
| Biarritz to Middelkerke | 570.21 mi (917.67 km) |
| Biarritz to Mol | 616.70 mi (992.48 km) |
| Biarritz to Mons | 546.83 mi (880.04 km) |
| Biarritz to Montignies-le-Tilleul | 552.88 mi (889.77 km) |
| Biarritz to Moorslede | 555.86 mi (894.57 km) |
| Biarritz to Moortebeek | 579.56 mi (932.72 km) |
| Biarritz to Morlanwelz-Mariemont | 553.26 mi (890.39 km) |
| Biarritz to Mortsel | 600.96 mi (967.16 km) |
