| Castel Gandolfo to Merrick (New York) | 4,275.91 mi (6,881.41 km) |
| Castel Gandolfo to Merrifield (Virginia) | 4,507.07 mi (7,253.43 km) |
| Castel Gandolfo to Merrillville (Indiana) | 4,827.50 mi (7,769.11 km) |
| Castel Gandolfo to Merritt Island (Florida) | 5,104.24 mi (8,214.48 km) |
| Castel Gandolfo to Mesa (Arizona) | 6,159.32 mi (9,912.47 km) |
| Castel Gandolfo to Mesquite (Nevada) | 6,055.42 mi (9,745.26 km) |
| Castel Gandolfo to Mesquite (Texas) | 5,608.05 mi (9,025.28 km) |
| Castel Gandolfo to Metairie (Louisiana) | 5,463.99 mi (8,793.45 km) |
| Castel Gandolfo to Methuen Town (Massachusetts) | 4,096.81 mi (6,593.18 km) |
| Castel Gandolfo to Metuchen (New Jersey) | 4,315.73 mi (6,945.49 km) |
| Castel Gandolfo to Mexico (Missouri) | 5,113.78 mi (8,229.83 km) |
| Castel Gandolfo to Miami (Florida) | 5,193.21 mi (8,357.66 km) |
| Castel Gandolfo to Miami (Oklahoma) | 5,340.28 mi (8,594.36 km) |
| Castel Gandolfo to Miami Beach (Florida) | 5,188.37 mi (8,349.87 km) |
| Castel Gandolfo to Miami Gardens (Florida) | 5,187.75 mi (8,348.88 km) |
