| Backnang to Marco de Canavezes | 1,008.15 mi (1,622.45 km) |
| Backnang to Marinha Grande | 1,103.05 mi (1,775.19 km) |
| Backnang to Massama | 1,162.73 mi (1,871.24 km) |
| Backnang to Matosinhos | 1,030.76 mi (1,658.85 km) |
| Backnang to Mealhada | 1,055.16 mi (1,698.12 km) |
| Backnang to Melgaco | 974.59 mi (1,568.45 km) |
| Backnang to Melres | 1,023.36 mi (1,646.93 km) |
| Backnang to Mira | 1,064.40 mi (1,712.98 km) |
| Backnang to Miranda do Corvo | 1,063.19 mi (1,711.05 km) |
| Backnang to Mirandela | 955.75 mi (1,538.13 km) |
| Backnang to Mogadouro | 943.54 mi (1,518.49 km) |
| Backnang to Moimenta da Beira | 995.12 mi (1,601.50 km) |
| Backnang to Moita | 1,156.44 mi (1,861.12 km) |
| Backnang to Moncao | 985.27 mi (1,585.64 km) |
| Backnang to Montalegre | 966.63 mi (1,555.63 km) |
