| Seymour to Johnstown (Pennsylvania) | 382.87 mi (616.17 km) |
| Seymour to Joliet (Illinois) | 213.89 mi (344.22 km) |
| Seymour to Jonesboro (Arkansas) | 340.14 mi (547.40 km) |
| Seymour to Joplin (Missouri) | 486.04 mi (782.21 km) |
| Seymour to Joppatowne (Maryland) | 511.70 mi (823.50 km) |
| Seymour to Juana Díaz (Puerto Rico) | 1,854.09 mi (2,983.87 km) |
| Seymour to Junction City (Kansas) | 588.26 mi (946.71 km) |
| Seymour to Juneau (Alaska) | 2,504.40 mi (4,030.44 km) |
| Seymour to Jupiter (Florida) | 895.50 mi (1,441.17 km) |
| Seymour to Jupiter Farms (Florida) | 893.10 mi (1,437.30 km) |
| Seymour to Jurupa Valley (California) | 1,778.25 mi (2,861.82 km) |
| Seymour to Justice (Illinois) | 218.96 mi (352.38 km) |
| Seymour to Kahului (Hawaii) | 4,300.66 mi (6,921.25 km) |
| Seymour to Kailua (Hawaii) | 4,348.94 mi (6,998.95 km) |
| Seymour to Kalamazoo (Michigan) | 230.44 mi (370.86 km) |
