| Norristown to Ashtabula (Ohio) | 309.39 mi (497.92 km) |
| Norristown to Ashwaubenon (Wisconsin) | 716.65 mi (1,153.34 km) |
| Norristown to Aspen Hill (Maryland) | 116.91 mi (188.15 km) |
| Norristown to Astoria (Oregon) | 2,439.69 mi (3,926.30 km) |
| Norristown to Atascadero (California) | 2,469.35 mi (3,974.04 km) |
| Norristown to Atascocita (Texas) | 1,319.19 mi (2,123.04 km) |
| Norristown to Atchison (Kansas) | 1,048.78 mi (1,687.84 km) |
| Norristown to Athens (Alabama) | 735.03 mi (1,182.91 km) |
| Norristown to Athens (Georgia) | 614.25 mi (988.55 km) |
| Norristown to Athens (Ohio) | 363.26 mi (584.62 km) |
| Norristown to Athens (Tennessee) | 599.33 mi (964.53 km) |
| Norristown to Athens (Texas) | 1,263.20 mi (2,032.93 km) |
| Norristown to Atlanta (Georgia) | 666.13 mi (1,072.04 km) |
| Norristown to Atlantic Beach (Florida) | 757.50 mi (1,219.08 km) |
| Norristown to Atlantic City (New Jersey) | 69.67 mi (112.13 km) |
