| Opatija to Bombarral | 1,264.33 mi (2,034.74 km) |
| Opatija to Bougado | 1,177.15 mi (1,894.44 km) |
| Opatija to Braga | 1,165.16 mi (1,875.15 km) |
| Opatija to Braganca | 1,078.64 mi (1,735.91 km) |
| Opatija to Cabeceiras de Basto | 1,146.07 mi (1,844.41 km) |
| Opatija to Cacem | 1,287.53 mi (2,072.08 km) |
| Opatija to Cadaval | 1,262.78 mi (2,032.25 km) |
| Opatija to Caldas da Rainha | 1,259.06 mi (2,026.27 km) |
| Opatija to Calheta | 1,883.59 mi (3,031.35 km) |
| Opatija to Camara de Lobos | 1,876.12 mi (3,019.33 km) |
| Opatija to Canico | 1,872.43 mi (3,013.39 km) |
| Opatija to Cantanhede | 1,205.28 mi (1,939.72 km) |
| Opatija to Carregal do Sal | 1,174.29 mi (1,889.84 km) |
| Opatija to Cartaxo | 1,250.35 mi (2,012.24 km) |
| Opatija to Cascais | 1,294.99 mi (2,084.08 km) |
