| McDonough to Merrick (New York) | 766.96 mi (1,234.31 km) |
| McDonough to Merrifield (Virginia) | 537.67 mi (865.30 km) |
| McDonough to Merrillville (Indiana) | 581.49 mi (935.82 km) |
| McDonough to Merritt Island (Florida) | 409.81 mi (659.53 km) |
| McDonough to Mesa (Arizona) | 1,585.05 mi (2,550.89 km) |
| McDonough to Mesquite (Nevada) | 1,703.23 mi (2,741.09 km) |
| McDonough to Mesquite (Texas) | 720.90 mi (1,160.18 km) |
| McDonough to Metairie (Louisiana) | 426.55 mi (686.46 km) |
| McDonough to Methuen Town (Massachusetts) | 951.48 mi (1,531.27 km) |
| McDonough to Metuchen (New Jersey) | 728.92 mi (1,173.09 km) |
| McDonough to Mexico (Missouri) | 583.67 mi (939.33 km) |
| McDonough to Miami (Florida) | 579.35 mi (932.38 km) |
| McDonough to Miami (Oklahoma) | 650.24 mi (1,046.46 km) |
| McDonough to Miami Beach (Florida) | 579.00 mi (931.80 km) |
| McDonough to Miami Gardens (Florida) | 568.45 mi (914.83 km) |
