| Arbon to Montalegre | 930.66 mi (1,497.75 km) |
| Arbon to Montemor-o-Novo | 1,077.00 mi (1,733.27 km) |
| Arbon to Montemor-o-Velho | 1,032.23 mi (1,661.22 km) |
| Arbon to Montijo | 1,103.80 mi (1,776.39 km) |
| Arbon to Mortagua | 1,002.24 mi (1,612.94 km) |
| Arbon to Moura | 1,069.58 mi (1,721.33 km) |
| Arbon to Murtosa | 1,007.84 mi (1,621.96 km) |
| Arbon to Nazare | 1,071.73 mi (1,724.78 km) |
| Arbon to Nelas | 982.45 mi (1,581.09 km) |
| Arbon to Obidos | 1,085.67 mi (1,747.22 km) |
| Arbon to Odemira | 1,142.80 mi (1,839.17 km) |
| Arbon to Odivelas | 1,110.81 mi (1,787.68 km) |
| Arbon to Oeiras | 1,121.20 mi (1,804.40 km) |
| Arbon to Olhao | 1,138.03 mi (1,831.49 km) |
| Arbon to Oliveira de Azemeis | 996.86 mi (1,604.29 km) |
