| Sumperk to Montemor-o-Novo | 1,459.58 mi (2,348.97 km) |
| Sumperk to Montemor-o-Velho | 1,413.19 mi (2,274.31 km) |
| Sumperk to Montijo | 1,486.20 mi (2,391.81 km) |
| Sumperk to Mortagua | 1,383.17 mi (2,225.99 km) |
| Sumperk to Moura | 1,452.00 mi (2,336.76 km) |
| Sumperk to Murtosa | 1,387.76 mi (2,233.38 km) |
| Sumperk to Nazare | 1,453.20 mi (2,338.70 km) |
| Sumperk to Nelas | 1,363.59 mi (2,194.49 km) |
| Sumperk to Obidos | 1,467.38 mi (2,361.51 km) |
| Sumperk to Odemira | 1,525.34 mi (2,454.79 km) |
| Sumperk to Odivelas | 1,493.04 mi (2,402.81 km) |
| Sumperk to Oeiras | 1,503.44 mi (2,419.55 km) |
| Sumperk to Olhao | 1,519.85 mi (2,445.96 km) |
| Sumperk to Oliveira de Azemeis | 1,376.73 mi (2,215.63 km) |
| Sumperk to Oliveira de Frades | 1,369.40 mi (2,203.83 km) |
