| Donostia to Mombris | 703.19 mi (1,131.67 km) |
| Donostia to Monchengladbach | 671.43 mi (1,080.56 km) |
| Donostia to Monschau | 632.59 mi (1,018.06 km) |
| Donostia to Montabaur | 674.40 mi (1,085.34 km) |
| Donostia to Moosburg | 756.12 mi (1,216.85 km) |
| Donostia to Morbach | 622.19 mi (1,001.33 km) |
| Donostia to Morfelden-Walldorf | 679.94 mi (1,094.26 km) |
| Donostia to Morlenbach | 668.49 mi (1,075.82 km) |
| Donostia to Morsbach | 691.61 mi (1,113.04 km) |
| Donostia to Mosbach | 673.69 mi (1,084.20 km) |
| Donostia to Mosigkau | 883.15 mi (1,421.29 km) |
| Donostia to Mossingen | 635.86 mi (1,023.31 km) |
| Donostia to Much | 684.46 mi (1,101.53 km) |
| Donostia to Mucheln | 846.53 mi (1,362.36 km) |
| Donostia to Muhlacker | 646.79 mi (1,040.90 km) |
