| Prostejov to Orangevale (California) | 5,836.89 mi (9,393.56 km) |
| Prostejov to Orchards (Washington) | 5,429.38 mi (8,737.75 km) |
| Prostejov to Orcutt (California) | 6,055.01 mi (9,744.59 km) |
| Prostejov to Oregon (Ohio) | 4,518.51 mi (7,271.83 km) |
| Prostejov to Oregon (Wisconsin) | 4,664.52 mi (7,506.81 km) |
| Prostejov to Oregon City (Oregon) | 5,452.34 mi (8,774.69 km) |
| Prostejov to Orem (Utah) | 5,497.96 mi (8,848.12 km) |
| Prostejov to Orinda (California) | 5,909.58 mi (9,510.55 km) |
| Prostejov to Orland Park (Illinois) | 4,678.76 mi (7,529.73 km) |
| Prostejov to Orlando (Florida) | 5,101.08 mi (8,209.39 km) |
| Prostejov to Ormond Beach (Florida) | 5,049.43 mi (8,126.28 km) |
| Prostejov to Oro Valley (Arizona) | 5,944.46 mi (9,566.69 km) |
| Prostejov to Oroville (California) | 5,794.27 mi (9,324.98 km) |
| Prostejov to Oshkosh (Wisconsin) | 4,580.68 mi (7,371.89 km) |
| Prostejov to Oskaloosa (Iowa) | 4,859.38 mi (7,820.42 km) |
