| Storm Lake to Cascais | 4,300.19 mi (6,920.48 km) |
| Storm Lake to Castelo Branco | 4,341.74 mi (6,987.36 km) |
| Storm Lake to Castro Daire | 4,281.00 mi (6,889.60 km) |
| Storm Lake to Celorico de Basto | 4,259.66 mi (6,855.26 km) |
| Storm Lake to Chamusca | 4,316.56 mi (6,946.83 km) |
| Storm Lake to Chaves | 4,268.86 mi (6,870.07 km) |
| Storm Lake to Cinfaes | 4,264.67 mi (6,863.32 km) |
| Storm Lake to Coimbra | 4,285.74 mi (6,897.24 km) |
| Storm Lake to Condeixa-a-Nova | 4,286.26 mi (6,898.06 km) |
| Storm Lake to Corroios | 4,315.37 mi (6,944.92 km) |
| Storm Lake to Coruche | 4,329.88 mi (6,968.27 km) |
| Storm Lake to Costa de Caparica | 4,310.43 mi (6,936.96 km) |
| Storm Lake to Covilha | 4,323.62 mi (6,958.20 km) |
| Storm Lake to Eiras | 4,284.78 mi (6,895.69 km) |
| Storm Lake to Elvas | 4,394.39 mi (7,072.09 km) |
