| Havre de Grace to Joliet (Illinois) | 645.93 mi (1,039.53 km) |
| Havre de Grace to Jonesboro (Arkansas) | 835.84 mi (1,345.15 km) |
| Havre de Grace to Joplin (Missouri) | 1,009.52 mi (1,624.67 km) |
| Havre de Grace to Joppatowne (Maryland) | 15.50 mi (24.95 km) |
| Havre de Grace to Juana Díaz (Puerto Rico) | 1,592.61 mi (2,563.06 km) |
| Havre de Grace to Junction City (Kansas) | 1,107.03 mi (1,781.59 km) |
| Havre de Grace to Juneau (Alaska) | 2,824.69 mi (4,545.90 km) |
| Havre de Grace to Jupiter (Florida) | 902.31 mi (1,452.13 km) |
| Havre de Grace to Jupiter Farms (Florida) | 903.74 mi (1,454.42 km) |
| Havre de Grace to Jurupa Valley (California) | 2,300.15 mi (3,701.73 km) |
| Havre de Grace to Justice (Illinois) | 632.37 mi (1,017.71 km) |
| Havre de Grace to Kahului (Hawaii) | 4,812.67 mi (7,745.25 km) |
| Havre de Grace to Kailua (Hawaii) | 4,858.43 mi (7,818.89 km) |
| Havre de Grace to Kalamazoo (Michigan) | 528.97 mi (851.29 km) |
| Havre de Grace to Kalispell (Montana) | 1,971.94 mi (3,173.53 km) |
