| Portchester to Joliet (Illinois) | 3,967.28 mi (6,384.72 km) |
| Portchester to Jonesboro (Arkansas) | 4,336.14 mi (6,978.35 km) |
| Portchester to Joplin (Missouri) | 4,424.70 mi (7,120.87 km) |
| Portchester to Joppatowne (Maryland) | 3,587.55 mi (5,773.60 km) |
| Portchester to Juana Díaz (Puerto Rico) | 4,189.47 mi (6,742.30 km) |
| Portchester to Junction City (Kansas) | 4,417.93 mi (7,109.98 km) |
| Portchester to Juneau (Alaska) | 4,435.54 mi (7,138.32 km) |
| Portchester to Jupiter (Florida) | 4,332.53 mi (6,972.53 km) |
| Portchester to Jupiter Farms (Florida) | 4,336.98 mi (6,979.69 km) |
| Portchester to Jurupa Valley (California) | 5,416.21 mi (8,716.55 km) |
| Portchester to Justice (Illinois) | 3,944.52 mi (6,348.09 km) |
| Portchester to Kahului (Hawaii) | 7,259.47 mi (11,682.99 km) |
| Portchester to Kailua (Hawaii) | 7,246.74 mi (11,662.51 km) |
| Portchester to Kalamazoo (Michigan) | 3,833.52 mi (6,169.45 km) |
| Portchester to Kalispell (Montana) | 4,535.67 mi (7,299.46 km) |
