| Troy to Johnstown (Pennsylvania) | 268.62 mi (432.31 km) |
| Troy to Joliet (Illinois) | 266.99 mi (429.68 km) |
| Troy to Jonesboro (Arkansas) | 616.62 mi (992.36 km) |
| Troy to Joplin (Missouri) | 711.66 mi (1,145.31 km) |
| Troy to Joppatowne (Maryland) | 416.08 mi (669.62 km) |
| Troy to Juana Díaz (Puerto Rico) | 1,955.71 mi (3,147.40 km) |
| Troy to Junction City (Kansas) | 756.62 mi (1,217.67 km) |
| Troy to Juneau (Alaska) | 2,419.80 mi (3,894.29 km) |
| Troy to Jupiter (Florida) | 1,095.52 mi (1,763.07 km) |
| Troy to Jupiter Farms (Florida) | 1,094.46 mi (1,761.36 km) |
| Troy to Jurupa Valley (California) | 1,938.36 mi (3,119.48 km) |
| Troy to Justice (Illinois) | 246.88 mi (397.31 km) |
| Troy to Kahului (Hawaii) | 4,420.94 mi (7,114.82 km) |
| Troy to Kailua (Hawaii) | 4,463.43 mi (7,183.20 km) |
| Troy to Kalamazoo (Michigan) | 126.35 mi (203.34 km) |
