| Niederkassel to Matelica | 592.87 mi (954.14 km) |
| Niederkassel to Matera | 837.88 mi (1,348.44 km) |
| Niederkassel to Matino | 917.00 mi (1,475.76 km) |
| Niederkassel to Mazzarino | 998.25 mi (1,606.52 km) |
| Niederkassel to Meda | 369.08 mi (593.98 km) |
| Niederkassel to Medesano | 443.08 mi (713.07 km) |
| Niederkassel to Medicina | 486.93 mi (783.64 km) |
| Niederkassel to Meldola | 517.52 mi (832.86 km) |
| Niederkassel to Melegnano | 391.59 mi (630.20 km) |
| Niederkassel to Melendugno | 909.06 mi (1,462.99 km) |
| Niederkassel to Melfi | 793.55 mi (1,277.10 km) |
| Niederkassel to Melilli | 1,022.59 mi (1,645.71 km) |
| Niederkassel to Melito di Napoli | 765.87 mi (1,232.54 km) |
| Niederkassel to Melito di Porto Salvo | 988.92 mi (1,591.52 km) |
| Niederkassel to Melzo | 383.37 mi (616.97 km) |
