| Collecchio to Castelo Branco | 965.20 mi (1,553.34 km) |
| Collecchio to Castro Daire | 955.14 mi (1,537.15 km) |
| Collecchio to Celorico de Basto | 946.26 mi (1,522.86 km) |
| Collecchio to Chamusca | 1,026.48 mi (1,651.97 km) |
| Collecchio to Chaves | 912.20 mi (1,468.05 km) |
| Collecchio to Cinfaes | 959.70 mi (1,544.49 km) |
| Collecchio to Coimbra | 997.90 mi (1,605.96 km) |
| Collecchio to Condeixa-a-Nova | 1,004.01 mi (1,615.80 km) |
| Collecchio to Corroios | 1,082.15 mi (1,741.55 km) |
| Collecchio to Coruche | 1,041.30 mi (1,675.81 km) |
| Collecchio to Costa de Caparica | 1,085.14 mi (1,746.36 km) |
| Collecchio to Covilha | 951.26 mi (1,530.91 km) |
| Collecchio to Eiras | 996.76 mi (1,604.13 km) |
| Collecchio to Elvas | 979.83 mi (1,576.88 km) |
| Collecchio to Entroncamento | 1,022.12 mi (1,644.95 km) |
