| Otopeni to Mombris | 876.21 mi (1,410.12 km) |
| Otopeni to Monchengladbach | 1,015.13 mi (1,633.70 km) |
| Otopeni to Monschau | 1,008.86 mi (1,623.60 km) |
| Otopeni to Montabaur | 940.55 mi (1,513.68 km) |
| Otopeni to Moosburg | 723.31 mi (1,164.06 km) |
| Otopeni to Morbach | 958.22 mi (1,542.11 km) |
| Otopeni to Morfelden-Walldorf | 899.26 mi (1,447.23 km) |
| Otopeni to Morlenbach | 884.47 mi (1,423.42 km) |
| Otopeni to Morsbach | 954.87 mi (1,536.72 km) |
| Otopeni to Mosbach | 862.00 mi (1,387.26 km) |
| Otopeni to Mosigkau | 809.77 mi (1,303.19 km) |
| Otopeni to Mossingen | 850.06 mi (1,368.04 km) |
| Otopeni to Much | 969.03 mi (1,559.50 km) |
| Otopeni to Mucheln | 806.49 mi (1,297.91 km) |
| Otopeni to Muhlacker | 868.17 mi (1,397.19 km) |
