| Neu Isenburg to Marco de Canavezes | 1,015.14 mi (1,633.71 km) |
| Neu Isenburg to Marinha Grande | 1,113.69 mi (1,792.31 km) |
| Neu Isenburg to Massama | 1,176.03 mi (1,892.63 km) |
| Neu Isenburg to Matosinhos | 1,036.25 mi (1,667.68 km) |
| Neu Isenburg to Mealhada | 1,064.67 mi (1,713.42 km) |
| Neu Isenburg to Melgaco | 977.04 mi (1,572.40 km) |
| Neu Isenburg to Melres | 1,030.16 mi (1,657.89 km) |
| Neu Isenburg to Mira | 1,072.92 mi (1,726.70 km) |
| Neu Isenburg to Miranda do Corvo | 1,074.15 mi (1,728.68 km) |
| Neu Isenburg to Mirandela | 964.17 mi (1,551.69 km) |
| Neu Isenburg to Mogadouro | 954.04 mi (1,535.38 km) |
| Neu Isenburg to Moimenta da Beira | 1,004.52 mi (1,616.63 km) |
| Neu Isenburg to Moita | 1,170.90 mi (1,884.39 km) |
| Neu Isenburg to Moncao | 987.36 mi (1,589.00 km) |
| Neu Isenburg to Montalegre | 971.75 mi (1,563.88 km) |
