| Sun Valley to Cascais | 5,463.86 mi (8,793.24 km) |
| Sun Valley to Castelo Branco | 5,486.08 mi (8,828.99 km) |
| Sun Valley to Castro Daire | 5,418.13 mi (8,719.64 km) |
| Sun Valley to Celorico de Basto | 5,392.80 mi (8,678.87 km) |
| Sun Valley to Chamusca | 5,470.06 mi (8,803.21 km) |
| Sun Valley to Chaves | 5,395.87 mi (8,683.81 km) |
| Sun Valley to Cinfaes | 5,401.08 mi (8,692.20 km) |
| Sun Valley to Coimbra | 5,431.59 mi (8,741.30 km) |
| Sun Valley to Condeixa-a-Nova | 5,433.29 mi (8,744.04 km) |
| Sun Valley to Corroios | 5,478.40 mi (8,816.64 km) |
| Sun Valley to Coruche | 5,486.90 mi (8,830.31 km) |
| Sun Valley to Costa de Caparica | 5,473.64 mi (8,808.97 km) |
| Sun Valley to Covilha | 5,463.90 mi (8,793.29 km) |
| Sun Valley to Eiras | 5,430.33 mi (8,739.27 km) |
| Sun Valley to Elvas | 5,544.93 mi (8,923.70 km) |
