| Karlovy Vary to Nottingham | 629.43 mi (1,012.97 km) |
| Karlovy Vary to Nuneaton | 637.25 mi (1,025.55 km) |
| Karlovy Vary to Oadby | 621.84 mi (1,000.76 km) |
| Karlovy Vary to Oakengates | 679.80 mi (1,094.03 km) |
| Karlovy Vary to Oakham | 608.56 mi (979.38 km) |
| Karlovy Vary to Oldbury | 659.87 mi (1,061.96 km) |
| Karlovy Vary to Oldham | 677.43 mi (1,090.22 km) |
| Karlovy Vary to Ollerton | 627.89 mi (1,010.49 km) |
| Karlovy Vary to Olton | 650.48 mi (1,046.84 km) |
| Karlovy Vary to Omagh | 897.82 mi (1,444.90 km) |
| Karlovy Vary to Ormesby | 661.91 mi (1,065.23 km) |
| Karlovy Vary to Ormskirk | 708.56 mi (1,140.31 km) |
| Karlovy Vary to Orpington | 562.62 mi (905.46 km) |
| Karlovy Vary to Ossett | 658.48 mi (1,059.72 km) |
| Karlovy Vary to Oswaldtwistle | 691.73 mi (1,113.23 km) |
