| Slupca to Joliet (Illinois) | 4,597.33 mi (7,398.69 km) |
| Slupca to Jonesboro (Arkansas) | 4,989.94 mi (8,030.54 km) |
| Slupca to Joplin (Missouri) | 5,048.13 mi (8,124.18 km) |
| Slupca to Joppatowne (Maryland) | 4,291.92 mi (6,907.17 km) |
| Slupca to Juana Díaz (Puerto Rico) | 5,002.94 mi (8,051.46 km) |
| Slupca to Junction City (Kansas) | 5,013.91 mi (8,069.11 km) |
| Slupca to Juneau (Alaska) | 4,625.05 mi (7,443.29 km) |
| Slupca to Jupiter (Florida) | 5,084.49 mi (8,182.69 km) |
| Slupca to Jupiter Farms (Florida) | 5,088.49 mi (8,189.14 km) |
| Slupca to Jurupa Valley (California) | 5,893.93 mi (9,485.37 km) |
| Slupca to Justice (Illinois) | 4,574.65 mi (7,362.19 km) |
| Slupca to Kahului (Hawaii) | 7,369.56 mi (11,860.17 km) |
| Slupca to Kailua (Hawaii) | 7,338.27 mi (11,809.81 km) |
| Slupca to Kalamazoo (Michigan) | 4,472.07 mi (7,197.10 km) |
| Slupca to Kalispell (Montana) | 4,944.38 mi (7,957.21 km) |
