| Wentzville to Johnstown (Pennsylvania) | 644.31 mi (1,036.91 km) |
| Wentzville to Joliet (Illinois) | 235.49 mi (378.99 km) |
| Wentzville to Jonesboro (Arkansas) | 207.13 mi (333.34 km) |
| Wentzville to Joplin (Missouri) | 231.64 mi (372.79 km) |
| Wentzville to Joppatowne (Maryland) | 778.39 mi (1,252.70 km) |
| Wentzville to Juana Díaz (Puerto Rico) | 2,048.37 mi (3,296.54 km) |
| Wentzville to Junction City (Kansas) | 321.94 mi (518.11 km) |
| Wentzville to Juneau (Alaska) | 2,336.51 mi (3,760.25 km) |
| Wentzville to Jupiter (Florida) | 1,030.29 mi (1,658.09 km) |
| Wentzville to Jupiter Farms (Florida) | 1,026.48 mi (1,651.96 km) |
| Wentzville to Jurupa Valley (California) | 1,510.54 mi (2,430.97 km) |
| Wentzville to Justice (Illinois) | 258.12 mi (415.41 km) |
| Wentzville to Kahului (Hawaii) | 4,034.28 mi (6,492.55 km) |
| Wentzville to Kailua (Hawaii) | 4,083.22 mi (6,571.31 km) |
| Wentzville to Kalamazoo (Michigan) | 365.86 mi (588.79 km) |
