| Norristown to Isabela (Puerto Rico) | 1,573.95 mi (2,533.03 km) |
| Norristown to Iselin (New Jersey) | 62.08 mi (99.91 km) |
| Norristown to Isla Vista (California) | 2,453.75 mi (3,948.92 km) |
| Norristown to Issaquah (Washington) | 2,346.58 mi (3,776.45 km) |
| Norristown to Ithaca (New York) | 171.40 mi (275.85 km) |
| Norristown to Ives Estates (Florida) | 1,017.28 mi (1,637.15 km) |
| Norristown to Jackson (Michigan) | 493.29 mi (793.88 km) |
| Norristown to Jackson (Mississippi) | 986.97 mi (1,588.38 km) |
| Norristown to Jackson (Missouri) | 793.19 mi (1,276.51 km) |
| Norristown to Jackson (Tennessee) | 796.97 mi (1,282.60 km) |
| Norristown to Jackson (Wyoming) | 1,825.90 mi (2,938.50 km) |
| Norristown to Jacksonville (Alabama) | 720.85 mi (1,160.10 km) |
| Norristown to Jacksonville (Arkansas) | 987.09 mi (1,588.57 km) |
| Norristown to Jacksonville (Florida) | 764.59 mi (1,230.49 km) |
| Norristown to Jacksonville (Illinois) | 788.61 mi (1,269.14 km) |
