| Jablonec nad Nisou to Joliet (Illinois) | 4,572.25 mi (7,358.32 km) |
| Jablonec nad Nisou to Jonesboro (Arkansas) | 4,958.61 mi (7,980.12 km) |
| Jablonec nad Nisou to Joplin (Missouri) | 5,025.97 mi (8,088.51 km) |
| Jablonec nad Nisou to Joppatowne (Maryland) | 4,242.88 mi (6,828.25 km) |
| Jablonec nad Nisou to Juana Díaz (Puerto Rico) | 4,899.34 mi (7,884.73 km) |
| Jablonec nad Nisou to Junction City (Kansas) | 4,999.41 mi (8,045.77 km) |
| Jablonec nad Nisou to Juneau (Alaska) | 4,697.46 mi (7,559.84 km) |
| Jablonec nad Nisou to Jupiter (Florida) | 5,018.32 mi (8,076.20 km) |
| Jablonec nad Nisou to Jupiter Farms (Florida) | 5,022.52 mi (8,082.97 km) |
| Jablonec nad Nisou to Jurupa Valley (California) | 5,911.72 mi (9,513.99 km) |
| Jablonec nad Nisou to Justice (Illinois) | 4,549.49 mi (7,321.70 km) |
| Jablonec nad Nisou to Kahului (Hawaii) | 7,463.73 mi (12,011.71 km) |
| Jablonec nad Nisou to Kailua (Hawaii) | 7,435.29 mi (11,965.94 km) |
| Jablonec nad Nisou to Kalamazoo (Michigan) | 4,444.21 mi (7,152.27 km) |
| Jablonec nad Nisou to Kalispell (Montana) | 4,975.08 mi (8,006.61 km) |
