| Castelli Calepio to Monticello (Minnesota) | 4,625.34 mi (7,443.76 km) |
| Castelli Calepio to Montrose (Colorado) | 5,462.72 mi (8,791.39 km) |
| Castelli Calepio to Moody (Alabama) | 4,884.08 mi (7,860.17 km) |
| Castelli Calepio to Moore (Oklahoma) | 5,246.56 mi (8,443.52 km) |
| Castelli Calepio to Moorestown-Lenola (New Jersey) | 4,112.78 mi (6,618.88 km) |
| Castelli Calepio to Mooresville (North Carolina) | 4,551.29 mi (7,324.60 km) |
| Castelli Calepio to Moorhead (Minnesota) | 4,654.93 mi (7,491.39 km) |
| Castelli Calepio to Moorpark (California) | 6,056.53 mi (9,747.05 km) |
| Castelli Calepio to Moraga (California) | 5,945.26 mi (9,567.97 km) |
| Castelli Calepio to Moreno Valley (California) | 6,024.56 mi (9,695.59 km) |
| Castelli Calepio to Morgan City (Louisiana) | 5,269.57 mi (8,480.55 km) |
| Castelli Calepio to Morgan Hill (California) | 5,973.40 mi (9,613.26 km) |
| Castelli Calepio to Morganton (North Carolina) | 4,581.85 mi (7,373.77 km) |
| Castelli Calepio to Morgantown (West Virginia) | 4,337.30 mi (6,980.21 km) |
| Castelli Calepio to Morris (Illinois) | 4,604.40 mi (7,410.07 km) |
