| Randallstown to Johnstown (Pennsylvania) | 130.20 mi (209.53 km) |
| Randallstown to Joliet (Illinois) | 614.32 mi (988.65 km) |
| Randallstown to Jonesboro (Arkansas) | 797.33 mi (1,283.18 km) |
| Randallstown to Joplin (Missouri) | 972.10 mi (1,564.44 km) |
| Randallstown to Joppatowne (Maryland) | 24.28 mi (39.07 km) |
| Randallstown to Juana Díaz (Puerto Rico) | 1,596.97 mi (2,570.08 km) |
| Randallstown to Junction City (Kansas) | 1,071.52 mi (1,724.44 km) |
| Randallstown to Juneau (Alaska) | 2,808.77 mi (4,520.28 km) |
| Randallstown to Jupiter (Florida) | 881.24 mi (1,418.21 km) |
| Randallstown to Jupiter Farms (Florida) | 882.43 mi (1,420.14 km) |
| Randallstown to Jurupa Valley (California) | 2,264.29 mi (3,644.02 km) |
| Randallstown to Justice (Illinois) | 601.44 mi (967.92 km) |
| Randallstown to Kahului (Hawaii) | 4,778.84 mi (7,690.80 km) |
| Randallstown to Kailua (Hawaii) | 4,824.99 mi (7,765.08 km) |
| Randallstown to Kalamazoo (Michigan) | 500.91 mi (806.14 km) |
