| Sarpsborg to Montemor-o-Novo | 1,660.08 mi (2,671.64 km) |
| Sarpsborg to Montemor-o-Velho | 1,576.21 mi (2,536.67 km) |
| Sarpsborg to Montijo | 1,673.50 mi (2,693.23 km) |
| Sarpsborg to Mortagua | 1,549.17 mi (2,493.14 km) |
| Sarpsborg to Moura | 1,675.88 mi (2,697.06 km) |
| Sarpsborg to Murtosa | 1,540.08 mi (2,478.52 km) |
| Sarpsborg to Nazare | 1,620.32 mi (2,607.66 km) |
| Sarpsborg to Nelas | 1,535.11 mi (2,470.52 km) |
| Sarpsborg to Obidos | 1,637.47 mi (2,635.25 km) |
| Sarpsborg to Odemira | 1,736.58 mi (2,794.75 km) |
| Sarpsborg to Odivelas | 1,673.28 mi (2,692.89 km) |
| Sarpsborg to Oeiras | 1,683.14 mi (2,708.75 km) |
| Sarpsborg to Olhao | 1,754.66 mi (2,823.85 km) |
| Sarpsborg to Oliveira de Azemeis | 1,529.75 mi (2,461.89 km) |
| Sarpsborg to Oliveira de Frades | 1,530.47 mi (2,463.05 km) |
