| Prostejov to Joliet (Illinois) | 4,693.35 mi (7,553.22 km) |
| Prostejov to Jonesboro (Arkansas) | 5,078.97 mi (8,173.81 km) |
| Prostejov to Joplin (Missouri) | 5,147.29 mi (8,283.76 km) |
| Prostejov to Joppatowne (Maryland) | 4,360.29 mi (7,017.20 km) |
| Prostejov to Juana Díaz (Puerto Rico) | 4,994.50 mi (8,037.88 km) |
| Prostejov to Junction City (Kansas) | 5,121.23 mi (8,241.83 km) |
| Prostejov to Juneau (Alaska) | 4,804.50 mi (7,732.10 km) |
| Prostejov to Jupiter (Florida) | 5,130.86 mi (8,257.32 km) |
| Prostejov to Jupiter Farms (Florida) | 5,135.12 mi (8,264.18 km) |
| Prostejov to Jurupa Valley (California) | 6,032.61 mi (9,708.55 km) |
| Prostejov to Justice (Illinois) | 4,670.59 mi (7,516.59 km) |
| Prostejov to Kahului (Hawaii) | 7,560.48 mi (12,167.41 km) |
| Prostejov to Kailua (Hawaii) | 7,530.32 mi (12,118.88 km) |
| Prostejov to Kalamazoo (Michigan) | 4,565.05 mi (7,346.73 km) |
| Prostejov to Kalispell (Montana) | 5,094.08 mi (8,198.13 km) |
