| Norristown to Troy (Michigan) | 438.85 mi (706.26 km) |
| Norristown to Troy (Missouri) | 835.53 mi (1,344.65 km) |
| Norristown to Troy (New York) | 200.06 mi (321.97 km) |
| Norristown to Troy (Ohio) | 469.21 mi (755.11 km) |
| Norristown to Truckee (California) | 2,357.66 mi (3,794.29 km) |
| Norristown to Trujillo Alto (Puerto Rico) | 1,603.05 mi (2,579.86 km) |
| Norristown to Trumbull Center (Connecticut) | 136.89 mi (220.31 km) |
| Norristown to Trussville (Alabama) | 764.87 mi (1,230.94 km) |
| Norristown to Tualatin (Oregon) | 2,398.57 mi (3,860.12 km) |
| Norristown to Tuckahoe (Virginia) | 212.76 mi (342.40 km) |
| Norristown to Tucker (Georgia) | 653.19 mi (1,051.21 km) |
| Norristown to Tucson (Arizona) | 2,043.11 mi (3,288.07 km) |
| Norristown to Tucson Estates (Arizona) | 2,055.42 mi (3,307.88 km) |
| Norristown to Tucson Mountains (Arizona) | 2,049.75 mi (3,298.75 km) |
| Norristown to Tukwila (Washington) | 2,357.49 mi (3,794.01 km) |
