| Fort Walton Beach to Cascais | 4,300.84 mi (6,921.53 km) |
| Fort Walton Beach to Castelo Branco | 4,373.84 mi (7,039.02 km) |
| Fort Walton Beach to Castro Daire | 4,328.78 mi (6,966.49 km) |
| Fort Walton Beach to Celorico de Basto | 4,315.32 mi (6,944.83 km) |
| Fort Walton Beach to Chamusca | 4,334.37 mi (6,975.50 km) |
| Fort Walton Beach to Chaves | 4,333.89 mi (6,974.73 km) |
| Fort Walton Beach to Cinfaes | 4,314.63 mi (6,943.73 km) |
| Fort Walton Beach to Coimbra | 4,318.61 mi (6,950.13 km) |
| Fort Walton Beach to Condeixa-a-Nova | 4,317.06 mi (6,947.63 km) |
| Fort Walton Beach to Corroios | 4,316.31 mi (6,946.43 km) |
| Fort Walton Beach to Coruche | 4,340.73 mi (6,985.73 km) |
| Fort Walton Beach to Costa de Caparica | 4,311.32 mi (6,938.39 km) |
| Fort Walton Beach to Covilha | 4,363.62 mi (7,022.57 km) |
| Fort Walton Beach to Eiras | 4,318.21 mi (6,949.49 km) |
| Fort Walton Beach to Elvas | 4,412.80 mi (7,101.71 km) |
