| Corvallis to Cascais | 5,365.12 mi (8,634.33 km) |
| Corvallis to Castelo Branco | 5,375.12 mi (8,650.42 km) |
| Corvallis to Castro Daire | 5,303.79 mi (8,535.62 km) |
| Corvallis to Celorico de Basto | 5,276.46 mi (8,491.65 km) |
| Corvallis to Chamusca | 5,364.85 mi (8,633.90 km) |
| Corvallis to Chaves | 5,276.02 mi (8,490.94 km) |
| Corvallis to Cinfaes | 5,286.52 mi (8,507.84 km) |
| Corvallis to Coimbra | 5,322.20 mi (8,565.25 km) |
| Corvallis to Condeixa-a-Nova | 5,324.60 mi (8,569.12 km) |
| Corvallis to Corroios | 5,379.07 mi (8,656.78 km) |
| Corvallis to Coruche | 5,383.67 mi (8,664.18 km) |
| Corvallis to Costa de Caparica | 5,374.48 mi (8,649.40 km) |
| Corvallis to Covilha | 5,350.81 mi (8,611.30 km) |
| Corvallis to Eiras | 5,320.78 mi (8,562.97 km) |
| Corvallis to Elvas | 5,437.00 mi (8,750.00 km) |
