| Castel Gandolfo to Mitchell (South Dakota) | 5,136.84 mi (8,266.94 km) |
| Castel Gandolfo to Mitchellville (Maryland) | 4,485.68 mi (7,219.00 km) |
| Castel Gandolfo to Moberly (Missouri) | 5,124.78 mi (8,247.53 km) |
| Castel Gandolfo to Mobile (Alabama) | 5,340.95 mi (8,595.44 km) |
| Castel Gandolfo to Modesto (California) | 6,223.33 mi (10,015.49 km) |
| Castel Gandolfo to Mokena (Illinois) | 4,847.49 mi (7,801.29 km) |
| Castel Gandolfo to Moline (Illinois) | 4,954.20 mi (7,973.02 km) |
| Castel Gandolfo to Moncks Corner (South Carolina) | 4,864.73 mi (7,829.03 km) |
| Castel Gandolfo to Monfort Heights (Ohio) | 4,813.03 mi (7,745.82 km) |
| Castel Gandolfo to Monmouth (Oregon) | 5,862.14 mi (9,434.21 km) |
| Castel Gandolfo to Monroe (Georgia) | 5,005.43 mi (8,055.47 km) |
| Castel Gandolfo to Monroe (Louisiana) | 5,429.42 mi (8,737.81 km) |
| Castel Gandolfo to Monroe (Michigan) | 4,647.79 mi (7,479.89 km) |
| Castel Gandolfo to Monroe (North Carolina) | 4,812.43 mi (7,744.86 km) |
| Castel Gandolfo to Monroe (Ohio) | 4,791.69 mi (7,711.47 km) |
