| Didcot to Mombris | 465.99 mi (749.94 km) |
| Didcot to Monchengladbach | 331.82 mi (534.01 km) |
| Didcot to Monschau | 333.18 mi (536.21 km) |
| Didcot to Montabaur | 401.96 mi (646.89 km) |
| Didcot to Moosburg | 622.52 mi (1,001.86 km) |
| Didcot to Morbach | 385.74 mi (620.78 km) |
| Didcot to Morfelden-Walldorf | 442.73 mi (712.50 km) |
| Didcot to Morlenbach | 458.58 mi (738.01 km) |
| Didcot to Morsbach | 390.61 mi (628.62 km) |
| Didcot to Mosbach | 482.04 mi (775.77 km) |
| Didcot to Mosigkau | 576.15 mi (927.22 km) |
| Didcot to Mossingen | 507.34 mi (816.49 km) |
| Didcot to Much | 376.40 mi (605.76 km) |
| Didcot to Mucheln | 561.14 mi (903.07 km) |
| Didcot to Muhlacker | 480.93 mi (773.99 km) |