| Romanshorn to Miranda de Ebro | 686.36 mi (1,104.59 km) |
| Romanshorn to Mislata | 741.81 mi (1,193.83 km) |
| Romanshorn to Moana | 955.12 mi (1,537.11 km) |
| Romanshorn to Moguer | 1,085.92 mi (1,747.61 km) |
| Romanshorn to Molina de Segura | 846.12 mi (1,361.71 km) |
| Romanshorn to Molins de Rey | 557.56 mi (897.31 km) |
| Romanshorn to Mollerusa | 583.49 mi (939.04 km) |
| Romanshorn to Mollet | 544.73 mi (876.66 km) |
| Romanshorn to Moncada | 548.13 mi (882.13 km) |
| Romanshorn to Moncada | 737.31 mi (1,186.59 km) |
| Romanshorn to Monforte de Lemos | 892.16 mi (1,435.80 km) |
| Romanshorn to Monforte del Cid | 812.65 mi (1,307.83 km) |
| Romanshorn to Mongat | 546.36 mi (879.28 km) |
| Romanshorn to Monovar | 812.81 mi (1,308.09 km) |
| Romanshorn to Monserrat | 754.37 mi (1,214.04 km) |
