| Philadelphia to Marrero (Louisiana) | 1,096.64 mi (1,764.88 km) |
| Philadelphia to Marshall (Minnesota) | 1,097.05 mi (1,765.53 km) |
| Philadelphia to Marshall (Missouri) | 962.71 mi (1,549.33 km) |
| Philadelphia to Marshall (Texas) | 1,185.06 mi (1,907.17 km) |
| Philadelphia to Marshalltown (Iowa) | 935.25 mi (1,505.15 km) |
| Philadelphia to Marshfield (Wisconsin) | 831.12 mi (1,337.56 km) |
| Philadelphia to Martha Lake (Washington) | 2,366.80 mi (3,808.99 km) |
| Philadelphia to Martin (Tennessee) | 786.05 mi (1,265.03 km) |
| Philadelphia to Martinez (California) | 2,497.03 mi (4,018.59 km) |
| Philadelphia to Martinez (Georgia) | 590.76 mi (950.73 km) |
| Philadelphia to Martinsburg (West Virginia) | 155.79 mi (250.72 km) |
| Philadelphia to Martinsville (Indiana) | 601.48 mi (967.99 km) |
| Philadelphia to Martinsville (New Jersey) | 50.58 mi (81.41 km) |
| Philadelphia to Martinsville (Virginia) | 344.10 mi (553.77 km) |
| Philadelphia to Maryland City (Maryland) | 108.83 mi (175.15 km) |
