| Karlovy Vary to Odessa (Texas) | 5,524.00 mi (8,890.01 km) |
| Karlovy Vary to Ogden (Utah) | 5,292.71 mi (8,517.79 km) |
| Karlovy Vary to Oildale (California) | 5,832.03 mi (9,385.74 km) |
| Karlovy Vary to Ojus (Florida) | 4,987.34 mi (8,026.35 km) |
| Karlovy Vary to Okemos (Michigan) | 4,318.59 mi (6,950.10 km) |
| Karlovy Vary to Oklahoma City (Oklahoma) | 5,158.69 mi (8,302.11 km) |
| Karlovy Vary to Okmulgee (Oklahoma) | 5,097.80 mi (8,204.11 km) |
| Karlovy Vary to Olathe (Kansas) | 4,882.19 mi (7,857.12 km) |
| Karlovy Vary to Old Jamestown (Missouri) | 4,723.88 mi (7,602.35 km) |
| Karlovy Vary to Oldsmar (Florida) | 4,983.44 mi (8,020.07 km) |
| Karlovy Vary to Olean (New York) | 4,125.84 mi (6,639.89 km) |
| Karlovy Vary to Olive Branch (Mississippi) | 4,907.97 mi (7,898.62 km) |
| Karlovy Vary to Olivehurst (California) | 5,674.65 mi (9,132.47 km) |
| Karlovy Vary to Olney (Maryland) | 4,210.56 mi (6,776.24 km) |
| Karlovy Vary to Olympia (Washington) | 5,217.44 mi (8,396.66 km) |
