| Sion to Montalegre | 810.71 mi (1,304.71 km) |
| Sion to Montemor-o-Novo | 949.14 mi (1,527.49 km) |
| Sion to Montemor-o-Velho | 908.27 mi (1,461.72 km) |
| Sion to Montijo | 976.77 mi (1,571.96 km) |
| Sion to Mortagua | 878.37 mi (1,413.60 km) |
| Sion to Moura | 940.16 mi (1,513.04 km) |
| Sion to Murtosa | 885.43 mi (1,424.97 km) |
| Sion to Nazare | 946.85 mi (1,523.80 km) |
| Sion to Nelas | 858.27 mi (1,381.25 km) |
| Sion to Obidos | 960.35 mi (1,545.53 km) |
| Sion to Odemira | 1,013.76 mi (1,631.48 km) |
| Sion to Odivelas | 984.32 mi (1,584.10 km) |
| Sion to Oeiras | 994.66 mi (1,600.75 km) |
| Sion to Olhao | 1,007.70 mi (1,621.73 km) |
| Sion to Oliveira de Azemeis | 874.55 mi (1,407.45 km) |
