| Niederkassel to Mitcham | 314.16 mi (505.59 km) |
| Niederkassel to Mold | 461.50 mi (742.70 km) |
| Niederkassel to Molesey | 323.24 mi (520.20 km) |
| Niederkassel to Monkseaton | 458.11 mi (737.26 km) |
| Niederkassel to Monmouth | 426.44 mi (686.29 km) |
| Niederkassel to Montrose | 561.39 mi (903.46 km) |
| Niederkassel to Morden | 316.02 mi (508.58 km) |
| Niederkassel to Morecambe | 473.30 mi (761.70 km) |
| Niederkassel to Moreton | 465.51 mi (749.16 km) |
| Niederkassel to Morley | 417.08 mi (671.23 km) |
| Niederkassel to Morpeth | 470.59 mi (757.33 km) |
| Niederkassel to Morriston | 477.75 mi (768.87 km) |
| Niederkassel to Mosbrough | 396.11 mi (637.48 km) |
| Niederkassel to Mossley | 426.87 mi (686.98 km) |
| Niederkassel to Moston | 432.45 mi (695.97 km) |
