| Phoenixville to Mattoon (Illinois) | 682.56 mi (1,098.47 km) |
| Phoenixville to Mauldin (South Carolina) | 524.31 mi (843.79 km) |
| Phoenixville to Maumee (Ohio) | 436.78 mi (702.94 km) |
| Phoenixville to Maumelle (Arkansas) | 992.76 mi (1,597.69 km) |
| Phoenixville to Mayagüez (Puerto Rico) | 1,595.77 mi (2,568.15 km) |
| Phoenixville to Mayfield Heights (Ohio) | 324.48 mi (522.20 km) |
| Phoenixville to Mays Chapel (Maryland) | 77.19 mi (124.23 km) |
| Phoenixville to Maywood (California) | 2,367.39 mi (3,809.95 km) |
| Phoenixville to Maywood (Illinois) | 653.16 mi (1,051.16 km) |
| Phoenixville to McAlester (Oklahoma) | 1,163.60 mi (1,872.63 km) |
| Phoenixville to McAllen (Texas) | 1,620.08 mi (2,607.27 km) |
| Phoenixville to McCalla (Alabama) | 792.16 mi (1,274.86 km) |
| Phoenixville to McComb (Mississippi) | 1,037.51 mi (1,669.71 km) |
| Phoenixville to McDonough (Georgia) | 664.28 mi (1,069.05 km) |
| Phoenixville to McFarland (California) | 2,379.20 mi (3,828.95 km) |
