| Iernut to Cascais | 1,778.55 mi (2,862.30 km) |
| Iernut to Castelo Branco | 1,651.96 mi (2,658.56 km) |
| Iernut to Castro Daire | 1,640.35 mi (2,639.88 km) |
| Iernut to Celorico de Basto | 1,630.02 mi (2,623.26 km) |
| Iernut to Chamusca | 1,713.25 mi (2,757.21 km) |
| Iernut to Chaves | 1,595.22 mi (2,567.27 km) |
| Iernut to Cinfaes | 1,644.21 mi (2,646.10 km) |
| Iernut to Coimbra | 1,684.08 mi (2,710.26 km) |
| Iernut to Condeixa-a-Nova | 1,690.28 mi (2,720.25 km) |
| Iernut to Corroios | 1,768.77 mi (2,846.56 km) |
| Iernut to Coruche | 1,727.97 mi (2,780.90 km) |
| Iernut to Costa de Caparica | 1,771.80 mi (2,851.43 km) |
| Iernut to Covilha | 1,637.75 mi (2,635.71 km) |
| Iernut to Eiras | 1,682.90 mi (2,708.37 km) |
| Iernut to Elvas | 1,665.77 mi (2,680.81 km) |
