| Norristown to Johnstown (Pennsylvania) | 189.35 mi (304.73 km) |
| Norristown to Joliet (Illinois) | 676.07 mi (1,088.03 km) |
| Norristown to Jonesboro (Arkansas) | 885.35 mi (1,424.84 km) |
| Norristown to Joplin (Missouri) | 1,053.72 mi (1,695.79 km) |
| Norristown to Joppatowne (Maryland) | 72.50 mi (116.67 km) |
| Norristown to Juana Díaz (Puerto Rico) | 1,613.31 mi (2,596.37 km) |
| Norristown to Junction City (Kansas) | 1,145.29 mi (1,843.17 km) |
| Norristown to Juneau (Alaska) | 2,823.64 mi (4,544.21 km) |
| Norristown to Jupiter (Florida) | 952.32 mi (1,532.61 km) |
| Norristown to Jupiter Farms (Florida) | 953.94 mi (1,535.21 km) |
| Norristown to Jurupa Valley (California) | 2,338.80 mi (3,763.93 km) |
| Norristown to Justice (Illinois) | 661.17 mi (1,064.05 km) |
| Norristown to Kahului (Hawaii) | 4,845.55 mi (7,798.16 km) |
| Norristown to Kailua (Hawaii) | 4,890.33 mi (7,870.22 km) |
| Norristown to Kalamazoo (Michigan) | 552.76 mi (889.58 km) |
