| Carol Stream to Cascais | 4,000.71 mi (6,438.52 km) |
| Carol Stream to Castelo Branco | 4,049.69 mi (6,517.35 km) |
| Carol Stream to Castro Daire | 3,992.23 mi (6,424.87 km) |
| Carol Stream to Celorico de Basto | 3,972.64 mi (6,393.34 km) |
| Carol Stream to Chamusca | 4,021.05 mi (6,471.25 km) |
| Carol Stream to Chaves | 3,984.18 mi (6,411.91 km) |
| Carol Stream to Cinfaes | 3,976.31 mi (6,399.25 km) |
| Carol Stream to Coimbra | 3,993.49 mi (6,426.91 km) |
| Carol Stream to Condeixa-a-Nova | 3,993.53 mi (6,426.97 km) |
| Carol Stream to Corroios | 4,016.06 mi (6,463.22 km) |
| Carol Stream to Coruche | 4,032.88 mi (6,490.29 km) |
| Carol Stream to Costa de Caparica | 4,011.06 mi (6,455.18 km) |
| Carol Stream to Covilha | 4,033.30 mi (6,490.97 km) |
| Carol Stream to Eiras | 3,992.66 mi (6,425.56 km) |
| Carol Stream to Elvas | 4,099.53 mi (6,597.55 km) |
