| Opatija to Castelo Branco | 1,168.49 mi (1,880.51 km) |
| Opatija to Castro Daire | 1,158.26 mi (1,864.04 km) |
| Opatija to Celorico de Basto | 1,148.97 mi (1,849.09 km) |
| Opatija to Chamusca | 1,229.75 mi (1,979.09 km) |
| Opatija to Chaves | 1,114.68 mi (1,793.90 km) |
| Opatija to Cinfaes | 1,162.63 mi (1,871.08 km) |
| Opatija to Coimbra | 1,201.22 mi (1,933.18 km) |
| Opatija to Condeixa-a-Nova | 1,207.35 mi (1,943.04 km) |
| Opatija to Corroios | 1,285.20 mi (2,068.33 km) |
| Opatija to Coruche | 1,244.40 mi (2,002.66 km) |
| Opatija to Costa de Caparica | 1,288.23 mi (2,073.20 km) |
| Opatija to Covilha | 1,154.62 mi (1,858.18 km) |
| Opatija to Eiras | 1,200.08 mi (1,931.35 km) |
| Opatija to Elvas | 1,182.39 mi (1,902.87 km) |
| Opatija to Entroncamento | 1,225.42 mi (1,972.13 km) |
