| Castel Gandolfo to Morristown (New Jersey) | 4,311.25 mi (6,938.29 km) |
| Castel Gandolfo to Morristown (Tennessee) | 4,883.44 mi (7,859.14 km) |
| Castel Gandolfo to Morrisville (North Carolina) | 4,700.32 mi (7,564.44 km) |
| Castel Gandolfo to Morro Bay (California) | 6,350.60 mi (10,220.30 km) |
| Castel Gandolfo to Morton (Illinois) | 4,951.76 mi (7,969.09 km) |
| Castel Gandolfo to Morton Grove (Illinois) | 4,821.91 mi (7,760.12 km) |
| Castel Gandolfo to Moscow (Idaho) | 5,588.26 mi (8,993.43 km) |
| Castel Gandolfo to Moses Lake (Washington) | 5,627.17 mi (9,056.05 km) |
| Castel Gandolfo to Moss Bluff (Louisiana) | 5,582.39 mi (8,983.98 km) |
| Castel Gandolfo to Moss Point (Mississippi) | 5,370.99 mi (8,643.77 km) |
| Castel Gandolfo to Moultrie (Georgia) | 5,123.36 mi (8,245.25 km) |
| Castel Gandolfo to Mounds View (Minnesota) | 4,896.29 mi (7,879.82 km) |
| Castel Gandolfo to Mount Airy (North Carolina) | 4,752.21 mi (7,647.95 km) |
| Castel Gandolfo to Mount Clemens (Michigan) | 4,599.20 mi (7,401.70 km) |
| Castel Gandolfo to Mount Dora (Florida) | 5,127.64 mi (8,252.14 km) |
