| Philadelphia to Merriam (Kansas) | 1,042.73 mi (1,678.12 km) |
| Philadelphia to Merrick (New York) | 94.38 mi (151.89 km) |
| Philadelphia to Merrifield (Virginia) | 137.13 mi (220.69 km) |
| Philadelphia to Merrillville (Indiana) | 645.34 mi (1,038.58 km) |
| Philadelphia to Merritt Island (Florida) | 867.27 mi (1,395.74 km) |
| Philadelphia to Mesa (Arizona) | 2,062.05 mi (3,318.55 km) |
| Philadelphia to Mesquite (Nevada) | 2,106.28 mi (3,389.73 km) |
| Philadelphia to Mesquite (Texas) | 1,289.88 mi (2,075.86 km) |
| Philadelphia to Metairie (Louisiana) | 1,094.23 mi (1,761.00 km) |
| Philadelphia to Methuen Town (Massachusetts) | 278.01 mi (447.42 km) |
| Philadelphia to Metuchen (New Jersey) | 54.93 mi (88.40 km) |
| Philadelphia to Mexico (Missouri) | 891.84 mi (1,435.27 km) |
| Philadelphia to Miami (Florida) | 1,025.44 mi (1,650.28 km) |
| Philadelphia to Miami (Oklahoma) | 1,087.17 mi (1,749.63 km) |
| Philadelphia to Miami Beach (Florida) | 1,022.08 mi (1,644.88 km) |
