| Oroville to Montalegre | 5,452.08 mi (8,774.27 km) |
| Oroville to Montemor-o-Novo | 5,588.46 mi (8,993.76 km) |
| Oroville to Montemor-o-Velho | 5,497.82 mi (8,847.88 km) |
| Oroville to Montijo | 5,560.33 mi (8,948.49 km) |
| Oroville to Mortagua | 5,502.17 mi (8,854.89 km) |
| Oroville to Moura | 5,643.11 mi (9,081.70 km) |
| Oroville to Murtosa | 5,472.68 mi (8,807.43 km) |
| Oroville to Nazare | 5,510.13 mi (8,867.70 km) |
| Oroville to Nelas | 5,512.66 mi (8,871.76 km) |
| Oroville to Obidos | 5,518.13 mi (8,880.57 km) |
| Oroville to Odemira | 5,623.49 mi (9,050.13 km) |
| Oroville to Odivelas | 5,544.33 mi (8,922.73 km) |
| Oroville to Oeiras | 5,544.08 mi (8,922.33 km) |
| Oroville to Olhao | 5,681.55 mi (9,143.56 km) |
| Oroville to Oliveira de Azemeis | 5,473.57 mi (8,808.87 km) |
