| Willebroek to Mendicino | 995.90 mi (1,602.75 km) |
| Willebroek to Menfi | 1,020.82 mi (1,642.84 km) |
| Willebroek to Mentana | 737.85 mi (1,187.45 km) |
| Willebroek to Merano | 432.80 mi (696.52 km) |
| Willebroek to Merate | 437.42 mi (703.97 km) |
| Willebroek to Mercato San Severino | 866.89 mi (1,395.12 km) |
| Willebroek to Mercogliano | 858.01 mi (1,380.83 km) |
| Willebroek to Mesagne | 968.96 mi (1,559.39 km) |
| Willebroek to Messina | 1,043.18 mi (1,678.84 km) |
| Willebroek to Mestre | 528.04 mi (849.80 km) |
| Willebroek to Mestrino | 515.70 mi (829.94 km) |
| Willebroek to Milan | 445.77 mi (717.39 km) |
| Willebroek to Milazzo | 1,033.77 mi (1,663.69 km) |
| Willebroek to Minerbio | 553.63 mi (890.98 km) |
| Willebroek to Minervino Murge | 886.32 mi (1,426.39 km) |
