| Collinsville to Cascais | 4,189.57 mi (6,742.46 km) |
| Collinsville to Castelo Branco | 4,243.80 mi (6,829.73 km) |
| Collinsville to Castro Daire | 4,188.68 mi (6,741.03 km) |
| Collinsville to Celorico de Basto | 4,170.27 mi (6,711.40 km) |
| Collinsville to Chamusca | 4,212.78 mi (6,779.82 km) |
| Collinsville to Chaves | 4,183.28 mi (6,732.34 km) |
| Collinsville to Cinfaes | 4,173.07 mi (6,715.90 km) |
| Collinsville to Coimbra | 4,187.59 mi (6,739.27 km) |
| Collinsville to Condeixa-a-Nova | 4,187.30 mi (6,738.80 km) |
| Collinsville to Corroios | 4,205.00 mi (6,767.30 km) |
| Collinsville to Coruche | 4,223.50 mi (6,797.07 km) |
| Collinsville to Costa de Caparica | 4,199.99 mi (6,759.23 km) |
| Collinsville to Covilha | 4,228.62 mi (6,805.31 km) |
| Collinsville to Eiras | 4,186.84 mi (6,738.07 km) |
| Collinsville to Elvas | 4,291.54 mi (6,906.57 km) |
