| Philadelphia to Cascais | 3,428.73 mi (5,518.00 km) |
| Philadelphia to Castelo Branco | 3,491.98 mi (5,619.81 km) |
| Philadelphia to Castro Daire | 3,441.80 mi (5,539.04 km) |
| Philadelphia to Celorico de Basto | 3,425.95 mi (5,513.53 km) |
| Philadelphia to Chamusca | 3,456.76 mi (5,563.12 km) |
| Philadelphia to Chaves | 3,442.04 mi (5,539.42 km) |
| Philadelphia to Cinfaes | 3,426.90 mi (5,515.07 km) |
| Philadelphia to Coimbra | 3,436.06 mi (5,529.81 km) |
| Philadelphia to Condeixa-a-Nova | 3,435.14 mi (5,528.33 km) |
| Philadelphia to Corroios | 3,444.23 mi (5,542.96 km) |
| Philadelphia to Coruche | 3,465.48 mi (5,577.15 km) |
| Philadelphia to Costa de Caparica | 3,439.21 mi (5,534.88 km) |
| Philadelphia to Covilha | 3,479.25 mi (5,599.31 km) |
| Philadelphia to Eiras | 3,435.49 mi (5,528.88 km) |
| Philadelphia to Elvas | 3,535.64 mi (5,690.07 km) |
