| Niederkassel to Monticello Conte Otto | 416.72 mi (670.64 km) |
| Niederkassel to Montichiari | 403.92 mi (650.04 km) |
| Niederkassel to Montignoso | 492.02 mi (791.84 km) |
| Niederkassel to Montopoli in Val d'Arno | 523.70 mi (842.82 km) |
| Niederkassel to Monza | 375.96 mi (605.04 km) |
| Niederkassel to Morbegno | 343.72 mi (553.16 km) |
| Niederkassel to Mori | 388.04 mi (624.49 km) |
| Niederkassel to Morlupo | 652.91 mi (1,050.76 km) |
| Niederkassel to Morrovalle | 602.41 mi (969.48 km) |
| Niederkassel to Mortara | 392.68 mi (631.96 km) |
| Niederkassel to Mosciano Sant'Angelo | 644.09 mi (1,036.56 km) |
| Niederkassel to Motta di Livenza | 431.93 mi (695.12 km) |
| Niederkassel to Motta Sant'Anastasia | 999.21 mi (1,608.08 km) |
| Niederkassel to Mottola | 851.39 mi (1,370.18 km) |
| Niederkassel to Mozzate | 365.45 mi (588.13 km) |
