| Norristown to Marrero (Louisiana) | 1,092.36 mi (1,757.98 km) |
| Norristown to Marshall (Minnesota) | 1,083.94 mi (1,744.43 km) |
| Norristown to Marshall (Missouri) | 951.57 mi (1,531.40 km) |
| Norristown to Marshall (Texas) | 1,177.56 mi (1,895.10 km) |
| Norristown to Marshalltown (Iowa) | 922.76 mi (1,485.03 km) |
| Norristown to Marshfield (Wisconsin) | 817.80 mi (1,316.13 km) |
| Norristown to Martha Lake (Washington) | 2,353.43 mi (3,787.48 km) |
| Norristown to Martin (Tennessee) | 777.57 mi (1,251.38 km) |
| Norristown to Martinez (California) | 2,484.72 mi (3,998.76 km) |
| Norristown to Martinez (Georgia) | 589.34 mi (948.45 km) |
| Norristown to Martinsburg (West Virginia) | 147.37 mi (237.16 km) |
| Norristown to Martinsville (Indiana) | 590.69 mi (950.63 km) |
| Norristown to Martinsville (New Jersey) | 52.18 mi (83.98 km) |
| Norristown to Martinsville (Virginia) | 341.21 mi (549.12 km) |
| Norristown to Maryland City (Maryland) | 105.16 mi (169.23 km) |
