| Mlada Boleslav to Jacksonville (Texas) | 5,333.81 mi (8,583.94 km) |
| Mlada Boleslav to Jacksonville Beach (Florida) | 4,895.07 mi (7,877.86 km) |
| Mlada Boleslav to James Island (South Carolina) | 4,711.71 mi (7,582.77 km) |
| Mlada Boleslav to Jamestown (New York) | 4,225.15 mi (6,799.73 km) |
| Mlada Boleslav to Jamestown (North Dakota) | 4,638.96 mi (7,465.68 km) |
| Mlada Boleslav to Janesville (Wisconsin) | 4,546.84 mi (7,317.44 km) |
| Mlada Boleslav to Jasmine Estates (Florida) | 5,049.04 mi (8,125.64 km) |
| Mlada Boleslav to Jasper (Alabama) | 4,938.69 mi (7,948.05 km) |
| Mlada Boleslav to Jasper (Indiana) | 4,691.96 mi (7,550.99 km) |
| Mlada Boleslav to Jefferson (Georgia) | 4,784.03 mi (7,699.16 km) |
| Mlada Boleslav to Jefferson (Louisiana) | 5,253.14 mi (8,454.10 km) |
| Mlada Boleslav to Jefferson City (Missouri) | 4,869.80 mi (7,837.19 km) |
| Mlada Boleslav to Jefferson Hills (Pennsylvania) | 4,337.78 mi (6,980.98 km) |
| Mlada Boleslav to Jefferson Valley-Yorktown (New York) | 4,055.27 mi (6,526.32 km) |
| Mlada Boleslav to Jeffersontown (Kentucky) | 4,651.32 mi (7,485.58 km) |
