| Romilly-sur-Seine to Marco de Canavezes | 769.87 mi (1,238.98 km) |
| Romilly-sur-Seine to Marinha Grande | 870.20 mi (1,400.45 km) |
| Romilly-sur-Seine to Massama | 934.16 mi (1,503.39 km) |
| Romilly-sur-Seine to Matosinhos | 790.24 mi (1,271.76 km) |
| Romilly-sur-Seine to Mealhada | 820.63 mi (1,320.67 km) |
| Romilly-sur-Seine to Melgaco | 730.05 mi (1,174.90 km) |
| Romilly-sur-Seine to Melres | 784.76 mi (1,262.95 km) |
| Romilly-sur-Seine to Mira | 828.29 mi (1,333.01 km) |
| Romilly-sur-Seine to Miranda do Corvo | 831.00 mi (1,337.36 km) |
| Romilly-sur-Seine to Mirandela | 719.81 mi (1,158.43 km) |
| Romilly-sur-Seine to Mogadouro | 711.03 mi (1,144.30 km) |
| Romilly-sur-Seine to Moimenta da Beira | 760.61 mi (1,224.08 km) |
| Romilly-sur-Seine to Moita | 929.95 mi (1,496.61 km) |
| Romilly-sur-Seine to Moncao | 740.25 mi (1,191.32 km) |
| Romilly-sur-Seine to Montalegre | 725.72 mi (1,167.93 km) |
