| Kelsterbach to Marco de Canavezes | 1,009.13 mi (1,624.03 km) |
| Kelsterbach to Marinha Grande | 1,107.86 mi (1,782.93 km) |
| Kelsterbach to Massama | 1,170.34 mi (1,883.48 km) |
| Kelsterbach to Matosinhos | 1,030.15 mi (1,657.86 km) |
| Kelsterbach to Mealhada | 1,058.78 mi (1,703.94 km) |
| Kelsterbach to Melgaco | 970.79 mi (1,562.34 km) |
| Kelsterbach to Melres | 1,024.13 mi (1,648.18 km) |
| Kelsterbach to Mira | 1,066.98 mi (1,717.13 km) |
| Kelsterbach to Miranda do Corvo | 1,068.35 mi (1,719.34 km) |
| Kelsterbach to Mirandela | 958.25 mi (1,542.15 km) |
| Kelsterbach to Mogadouro | 948.24 mi (1,526.04 km) |
| Kelsterbach to Moimenta da Beira | 998.64 mi (1,607.16 km) |
| Kelsterbach to Moita | 1,165.29 mi (1,875.36 km) |
| Kelsterbach to Moncao | 981.09 mi (1,578.91 km) |
| Kelsterbach to Montalegre | 965.64 mi (1,554.05 km) |
