| Oroville to Cascais | 5,539.37 mi (8,914.76 km) |
| Oroville to Castelo Branco | 5,559.65 mi (8,947.39 km) |
| Oroville to Castro Daire | 5,491.10 mi (8,837.07 km) |
| Oroville to Celorico de Basto | 5,465.42 mi (8,795.74 km) |
| Oroville to Chamusca | 5,544.55 mi (8,923.09 km) |
| Oroville to Chaves | 5,467.90 mi (8,799.73 km) |
| Oroville to Cinfaes | 5,474.00 mi (8,809.55 km) |
| Oroville to Coimbra | 5,505.38 mi (8,860.05 km) |
| Oroville to Condeixa-a-Nova | 5,507.20 mi (8,862.98 km) |
| Oroville to Corroios | 5,553.83 mi (8,938.02 km) |
| Oroville to Coruche | 5,561.71 mi (8,950.71 km) |
| Oroville to Costa de Caparica | 5,549.09 mi (8,930.39 km) |
| Oroville to Covilha | 5,537.10 mi (8,911.10 km) |
| Oroville to Eiras | 5,504.09 mi (8,857.98 km) |
| Oroville to Elvas | 5,619.03 mi (9,042.95 km) |
