| Karlovy Vary to Orzesze | 259.99 mi (418.42 km) |
| Karlovy Vary to Osowa | 373.87 mi (601.68 km) |
| Karlovy Vary to Ostroda | 385.27 mi (620.03 km) |
| Karlovy Vary to Ostroleka | 420.71 mi (677.07 km) |
| Karlovy Vary to Ostrow Mazowiecka | 426.43 mi (686.28 km) |
| Karlovy Vary to Ostrow Wielkopolski | 236.45 mi (380.54 km) |
| Karlovy Vary to Ostrowiec Swietokrzyski | 377.04 mi (606.79 km) |
| Karlovy Vary to Ostrzeszow | 235.54 mi (379.06 km) |
| Karlovy Vary to Oswiecim | 281.41 mi (452.89 km) |
| Karlovy Vary to Otwock | 386.00 mi (621.21 km) |
| Karlovy Vary to Ozarow Mazowiecki | 369.22 mi (594.21 km) |
| Karlovy Vary to Ozimek | 236.88 mi (381.22 km) |
| Karlovy Vary to Ozorkow | 302.79 mi (487.29 km) |
| Karlovy Vary to Pabianice | 299.83 mi (482.52 km) |
| Karlovy Vary to Parczew | 445.48 mi (716.93 km) |
