| Niederkassel to Minturno | 733.54 mi (1,180.52 km) |
| Niederkassel to Mira | 439.59 mi (707.45 km) |
| Niederkassel to Mirandola | 450.16 mi (724.47 km) |
| Niederkassel to Mirano | 435.06 mi (700.16 km) |
| Niederkassel to Misano Adriatico | 542.08 mi (872.39 km) |
| Niederkassel to Misilmeri | 937.39 mi (1,508.59 km) |
| Niederkassel to Missaglia | 368.97 mi (593.80 km) |
| Niederkassel to Misterbianco | 998.80 mi (1,607.41 km) |
| Niederkassel to Modena | 462.99 mi (745.11 km) |
| Niederkassel to Modica | 1,036.52 mi (1,668.12 km) |
| Niederkassel to Modugno | 818.02 mi (1,316.48 km) |
| Niederkassel to Mogliano Veneto | 434.80 mi (699.74 km) |
| Niederkassel to Molfetta | 806.18 mi (1,297.41 km) |
| Niederkassel to Molinella | 479.25 mi (771.27 km) |
| Niederkassel to Moncalieri | 402.99 mi (648.55 km) |
