| Hagerstown to Joliet (Illinois) | 562.03 mi (904.51 km) |
| Hagerstown to Jonesboro (Arkansas) | 754.76 mi (1,214.66 km) |
| Hagerstown to Joplin (Missouri) | 924.79 mi (1,488.31 km) |
| Hagerstown to Joppatowne (Maryland) | 74.61 mi (120.07 km) |
| Hagerstown to Juana Díaz (Puerto Rico) | 1,635.43 mi (2,631.97 km) |
| Hagerstown to Junction City (Kansas) | 1,021.23 mi (1,643.51 km) |
| Hagerstown to Juneau (Alaska) | 2,761.96 mi (4,444.94 km) |
| Hagerstown to Jupiter (Florida) | 889.56 mi (1,431.61 km) |
| Hagerstown to Jupiter Farms (Florida) | 890.37 mi (1,432.91 km) |
| Hagerstown to Jurupa Valley (California) | 2,214.36 mi (3,563.68 km) |
| Hagerstown to Justice (Illinois) | 549.08 mi (883.65 km) |
| Hagerstown to Kahului (Hawaii) | 4,727.35 mi (7,607.93 km) |
| Hagerstown to Kailua (Hawaii) | 4,773.31 mi (7,681.90 km) |
| Hagerstown to Kalamazoo (Michigan) | 448.79 mi (722.26 km) |
| Hagerstown to Kalispell (Montana) | 1,894.91 mi (3,049.56 km) |
