| Irig to Cascais | 1,559.04 mi (2,509.03 km) |
| Irig to Castelo Branco | 1,433.58 mi (2,307.12 km) |
| Irig to Castro Daire | 1,426.16 mi (2,295.19 km) |
| Irig to Celorico de Basto | 1,417.76 mi (2,281.66 km) |
| Irig to Chamusca | 1,494.55 mi (2,405.25 km) |
| Irig to Chaves | 1,383.79 mi (2,226.99 km) |
| Irig to Cinfaes | 1,431.01 mi (2,302.99 km) |
| Irig to Coimbra | 1,468.04 mi (2,362.58 km) |
| Irig to Condeixa-a-Nova | 1,474.01 mi (2,372.19 km) |
| Irig to Corroios | 1,548.74 mi (2,492.46 km) |
| Irig to Coruche | 1,508.19 mi (2,427.20 km) |
| Irig to Costa de Caparica | 1,551.94 mi (2,497.61 km) |
| Irig to Covilha | 1,420.89 mi (2,286.70 km) |
| Irig to Eiras | 1,466.96 mi (2,360.85 km) |
| Irig to Elvas | 1,444.26 mi (2,324.31 km) |
