| Castel Gandolfo to Marysville (California) | 6,151.98 mi (9,900.65 km) |
| Castel Gandolfo to Marysville (Ohio) | 4,716.44 mi (7,590.37 km) |
| Castel Gandolfo to Marysville (Washington) | 5,645.67 mi (9,085.82 km) |
| Castel Gandolfo to Maryville (Missouri) | 5,177.86 mi (8,332.95 km) |
| Castel Gandolfo to Maryville (Tennessee) | 4,932.82 mi (7,938.60 km) |
| Castel Gandolfo to Mason (Ohio) | 4,792.72 mi (7,713.14 km) |
| Castel Gandolfo to Mason City (Iowa) | 4,984.44 mi (8,021.67 km) |
| Castel Gandolfo to Massapequa (New York) | 4,271.64 mi (6,874.54 km) |
| Castel Gandolfo to Massapequa Park (New York) | 4,270.19 mi (6,872.21 km) |
| Castel Gandolfo to Massillon (Ohio) | 4,616.13 mi (7,428.94 km) |
| Castel Gandolfo to Mastic (New York) | 4,238.83 mi (6,821.74 km) |
| Castel Gandolfo to Mastic Beach (New York) | 4,239.93 mi (6,823.51 km) |
| Castel Gandolfo to Matteson (Illinois) | 4,843.20 mi (7,794.37 km) |
| Castel Gandolfo to Matthews (North Carolina) | 4,814.44 mi (7,748.09 km) |
| Castel Gandolfo to Mattoon (Illinois) | 4,956.88 mi (7,977.33 km) |
