| Santurce-Antiguo to Mombris | 740.54 mi (1,191.78 km) |
| Santurce-Antiguo to Monchengladbach | 700.68 mi (1,127.63 km) |
| Santurce-Antiguo to Monschau | 663.40 mi (1,067.64 km) |
| Santurce-Antiguo to Montabaur | 708.60 mi (1,140.38 km) |
| Santurce-Antiguo to Moosburg | 800.47 mi (1,288.23 km) |
| Santurce-Antiguo to Morbach | 657.10 mi (1,057.49 km) |
| Santurce-Antiguo to Morfelden-Walldorf | 716.67 mi (1,153.37 km) |
| Santurce-Antiguo to Morlenbach | 706.64 mi (1,137.23 km) |
| Santurce-Antiguo to Morsbach | 724.33 mi (1,165.70 km) |
| Santurce-Antiguo to Mosbach | 713.12 mi (1,147.66 km) |
| Santurce-Antiguo to Mosigkau | 919.45 mi (1,479.70 km) |
| Santurce-Antiguo to Mossingen | 678.01 mi (1,091.15 km) |
| Santurce-Antiguo to Much | 716.46 mi (1,153.04 km) |
| Santurce-Antiguo to Mucheln | 883.69 mi (1,422.16 km) |
| Santurce-Antiguo to Muhlacker | 687.05 mi (1,105.70 km) |
