| Bad Neuenahr-Ahrweiler to Marco de Canavezes | 975.19 mi (1,569.42 km) |
| Bad Neuenahr-Ahrweiler to Marinha Grande | 1,076.30 mi (1,732.14 km) |
| Bad Neuenahr-Ahrweiler to Massama | 1,140.63 mi (1,835.66 km) |
| Bad Neuenahr-Ahrweiler to Matosinhos | 994.96 mi (1,601.24 km) |
| Bad Neuenahr-Ahrweiler to Mealhada | 1,026.55 mi (1,652.08 km) |
| Bad Neuenahr-Ahrweiler to Melgaco | 933.61 mi (1,502.50 km) |
| Bad Neuenahr-Ahrweiler to Melres | 989.98 mi (1,593.22 km) |
| Bad Neuenahr-Ahrweiler to Mira | 1,033.95 mi (1,663.98 km) |
| Bad Neuenahr-Ahrweiler to Miranda do Corvo | 1,037.22 mi (1,669.24 km) |
| Bad Neuenahr-Ahrweiler to Mirandela | 925.68 mi (1,489.74 km) |
| Bad Neuenahr-Ahrweiler to Mogadouro | 917.35 mi (1,476.34 km) |
| Bad Neuenahr-Ahrweiler to Moimenta da Beira | 966.63 mi (1,555.63 km) |
| Bad Neuenahr-Ahrweiler to Moita | 1,136.53 mi (1,829.07 km) |
| Bad Neuenahr-Ahrweiler to Moncao | 943.59 mi (1,518.55 km) |
| Bad Neuenahr-Ahrweiler to Montalegre | 930.50 mi (1,497.49 km) |
