| Oberwil to Montalegre | 848.36 mi (1,365.30 km) |
| Oberwil to Montemor-o-Novo | 1,001.01 mi (1,610.98 km) |
| Oberwil to Montemor-o-Velho | 952.38 mi (1,532.70 km) |
| Oberwil to Montijo | 1,026.74 mi (1,652.38 km) |
| Oberwil to Mortagua | 922.35 mi (1,484.38 km) |
| Oberwil to Moura | 996.03 mi (1,602.95 km) |
| Oberwil to Murtosa | 926.89 mi (1,491.69 km) |
| Oberwil to Nazare | 992.57 mi (1,597.39 km) |
| Oberwil to Nelas | 902.84 mi (1,452.98 km) |
| Oberwil to Obidos | 1,006.89 mi (1,620.44 km) |
| Oberwil to Odemira | 1,068.47 mi (1,719.54 km) |
| Oberwil to Odivelas | 1,033.16 mi (1,662.70 km) |
| Oberwil to Oeiras | 1,043.58 mi (1,679.48 km) |
| Oberwil to Olhao | 1,066.28 mi (1,716.01 km) |
| Oberwil to Oliveira de Azemeis | 915.87 mi (1,473.95 km) |
