| Overath to Marco de Canavezes | 998.29 mi (1,606.59 km) |
| Overath to Marinha Grande | 1,099.99 mi (1,770.26 km) |
| Overath to Massama | 1,164.76 mi (1,874.50 km) |
| Overath to Matosinhos | 1,017.67 mi (1,637.79 km) |
| Overath to Mealhada | 1,050.09 mi (1,689.96 km) |
| Overath to Melgaco | 955.76 mi (1,538.14 km) |
| Overath to Melres | 1,013.00 mi (1,630.27 km) |
| Overath to Mira | 1,057.26 mi (1,701.49 km) |
| Overath to Miranda do Corvo | 1,061.04 mi (1,707.58 km) |
| Overath to Mirandela | 949.20 mi (1,527.59 km) |
| Overath to Mogadouro | 941.33 mi (1,514.92 km) |
| Overath to Moimenta da Beira | 990.26 mi (1,593.67 km) |
| Overath to Moita | 1,160.90 mi (1,868.30 km) |
| Overath to Moncao | 965.62 mi (1,554.01 km) |
| Overath to Montalegre | 953.27 mi (1,534.14 km) |
