| Cumpana to Cascais | 1,984.81 mi (3,194.25 km) |
| Cumpana to Castelo Branco | 1,860.75 mi (2,994.59 km) |
| Cumpana to Castro Daire | 1,856.43 mi (2,987.63 km) |
| Cumpana to Celorico de Basto | 1,849.01 mi (2,975.70 km) |
| Cumpana to Chamusca | 1,921.30 mi (3,092.03 km) |
| Cumpana to Chaves | 1,815.43 mi (2,921.66 km) |
| Cumpana to Cinfaes | 1,861.80 mi (2,996.28 km) |
| Cumpana to Coimbra | 1,897.05 mi (3,053.01 km) |
| Cumpana to Condeixa-a-Nova | 1,902.85 mi (3,062.33 km) |
| Cumpana to Corroios | 1,973.96 mi (3,176.79 km) |
| Cumpana to Coruche | 1,933.79 mi (3,112.14 km) |
| Cumpana to Costa de Caparica | 1,977.35 mi (3,182.24 km) |
| Cumpana to Covilha | 1,849.38 mi (2,976.28 km) |
| Cumpana to Eiras | 1,896.05 mi (3,051.40 km) |
| Cumpana to Elvas | 1,867.93 mi (3,006.15 km) |
