| Roudnice nad Labem to Marco de Canavezes | 1,246.93 mi (2,006.73 km) |
| Roudnice nad Labem to Marinha Grande | 1,341.87 mi (2,159.53 km) |
| Roudnice nad Labem to Massama | 1,401.30 mi (2,255.17 km) |
| Roudnice nad Labem to Matosinhos | 1,269.41 mi (2,042.93 km) |
| Roudnice nad Labem to Mealhada | 1,294.02 mi (2,082.52 km) |
| Roudnice nad Labem to Melgaco | 1,212.76 mi (1,951.74 km) |
| Roudnice nad Labem to Melres | 1,262.13 mi (2,031.20 km) |
| Roudnice nad Labem to Mira | 1,303.25 mi (2,097.38 km) |
| Roudnice nad Labem to Miranda do Corvo | 1,302.00 mi (2,095.37 km) |
| Roudnice nad Labem to Mirandela | 1,194.59 mi (1,922.51 km) |
| Roudnice nad Labem to Mogadouro | 1,182.39 mi (1,902.87 km) |
| Roudnice nad Labem to Moimenta da Beira | 1,233.98 mi (1,985.90 km) |
| Roudnice nad Labem to Moita | 1,394.84 mi (2,244.78 km) |
| Roudnice nad Labem to Moncao | 1,223.37 mi (1,968.83 km) |
| Roudnice nad Labem to Montalegre | 1,205.22 mi (1,939.61 km) |
