| Prostejov to Oswego (Illinois) | 4,691.52 mi (7,550.26 km) |
| Prostejov to Oswego (New York) | 4,177.37 mi (6,722.82 km) |
| Prostejov to Otsego (Minnesota) | 4,683.57 mi (7,537.49 km) |
| Prostejov to Ottawa (Illinois) | 4,725.30 mi (7,604.63 km) |
| Prostejov to Ottawa (Kansas) | 5,091.27 mi (8,193.61 km) |
| Prostejov to Ottumwa (Iowa) | 4,866.21 mi (7,831.41 km) |
| Prostejov to Overland (Missouri) | 4,916.90 mi (7,912.99 km) |
| Prostejov to Overland Park (Kansas) | 5,056.30 mi (8,137.33 km) |
| Prostejov to Overlea (Maryland) | 4,369.28 mi (7,031.68 km) |
| Prostejov to Oviedo (Florida) | 5,085.72 mi (8,184.67 km) |
| Prostejov to Owasso (Oklahoma) | 5,235.74 mi (8,426.10 km) |
| Prostejov to Owatonna (Minnesota) | 4,732.34 mi (7,615.96 km) |
| Prostejov to Owensboro (Kentucky) | 4,848.61 mi (7,803.09 km) |
| Prostejov to Owings Mills (Maryland) | 4,377.65 mi (7,045.14 km) |
| Prostejov to Owosso (Michigan) | 4,479.27 mi (7,208.69 km) |
