| Central Islip to Cascais | 3,314.43 mi (5,334.06 km) |
| Central Islip to Castelo Branco | 3,377.21 mi (5,435.10 km) |
| Central Islip to Castro Daire | 3,326.83 mi (5,354.02 km) |
| Central Islip to Celorico de Basto | 3,310.91 mi (5,328.39 km) |
| Central Islip to Chamusca | 3,342.19 mi (5,378.73 km) |
| Central Islip to Chaves | 3,326.92 mi (5,354.16 km) |
| Central Islip to Cinfaes | 3,311.91 mi (5,330.01 km) |
| Central Islip to Coimbra | 3,321.27 mi (5,345.07 km) |
| Central Islip to Condeixa-a-Nova | 3,320.38 mi (5,343.63 km) |
| Central Islip to Corroios | 3,329.94 mi (5,359.02 km) |
| Central Islip to Coruche | 3,351.02 mi (5,392.94 km) |
| Central Islip to Costa de Caparica | 3,324.92 mi (5,350.93 km) |
| Central Islip to Covilha | 3,364.38 mi (5,414.44 km) |
| Central Islip to Eiras | 3,320.69 mi (5,344.13 km) |
| Central Islip to Elvas | 3,421.07 mi (5,505.68 km) |
