| Champaign to Cascais | 4,061.90 mi (6,537.00 km) |
| Champaign to Castelo Branco | 4,114.64 mi (6,621.87 km) |
| Champaign to Castro Daire | 4,058.87 mi (6,532.12 km) |
| Champaign to Celorico de Basto | 4,040.14 mi (6,501.97 km) |
| Champaign to Chamusca | 4,084.28 mi (6,573.02 km) |
| Champaign to Chaves | 4,052.76 mi (6,522.29 km) |
| Champaign to Cinfaes | 4,043.17 mi (6,506.85 km) |
| Champaign to Coimbra | 4,058.42 mi (6,531.40 km) |
| Champaign to Condeixa-a-Nova | 4,058.22 mi (6,531.08 km) |
| Champaign to Corroios | 4,077.31 mi (6,561.80 km) |
| Champaign to Coruche | 4,095.33 mi (6,590.79 km) |
| Champaign to Costa de Caparica | 4,072.31 mi (6,553.74 km) |
| Champaign to Covilha | 4,099.13 mi (6,596.91 km) |
| Champaign to Eiras | 4,057.65 mi (6,530.16 km) |
| Champaign to Elvas | 4,162.98 mi (6,699.67 km) |
