| Karlovy Vary to Olivenza | 1,260.51 mi (2,028.59 km) |
| Karlovy Vary to Olot | 744.09 mi (1,197.50 km) |
| Karlovy Vary to Onate | 876.83 mi (1,411.11 km) |
| Karlovy Vary to Onda | 953.16 mi (1,533.96 km) |
| Karlovy Vary to Onteniente | 1,027.38 mi (1,653.41 km) |
| Karlovy Vary to Orihuela | 1,079.60 mi (1,737.45 km) |
| Karlovy Vary to Osuna | 1,263.11 mi (2,032.78 km) |
| Karlovy Vary to Ourense | 1,124.99 mi (1,810.50 km) |
| Karlovy Vary to Oviedo | 1,000.69 mi (1,610.46 km) |
| Karlovy Vary to Paiporta | 987.59 mi (1,589.37 km) |
| Karlovy Vary to Pajara | 2,067.26 mi (3,326.93 km) |
| Karlovy Vary to Palafolls | 764.32 mi (1,230.05 km) |
| Karlovy Vary to Palafrugell | 737.99 mi (1,187.68 km) |
| Karlovy Vary to Palamos | 743.04 mi (1,195.80 km) |
| Karlovy Vary to Palencia | 1,004.51 mi (1,616.61 km) |
