| Castel Gandolfo to Somersworth (New Hampshire) | 4,065.53 mi (6,542.83 km) |
| Castel Gandolfo to Somerton (Arizona) | 6,307.85 mi (10,151.51 km) |
| Castel Gandolfo to Somerville (Massachusetts) | 4,104.99 mi (6,606.34 km) |
| Castel Gandolfo to Somerville (New Jersey) | 4,325.57 mi (6,961.33 km) |
| Castel Gandolfo to Sonoma (California) | 6,227.50 mi (10,022.20 km) |
| Castel Gandolfo to Soquel (California) | 6,288.48 mi (10,120.34 km) |
| Castel Gandolfo to South Bend (Indiana) | 4,776.14 mi (7,686.46 km) |
| Castel Gandolfo to South Bradenton (Florida) | 5,231.76 mi (8,419.70 km) |
| Castel Gandolfo to South Burlington (Vermont) | 4,124.03 mi (6,636.98 km) |
| Castel Gandolfo to South Charleston (West Virginia) | 4,724.38 mi (7,603.15 km) |
| Castel Gandolfo to South Daytona (Florida) | 5,082.84 mi (8,180.04 km) |
| Castel Gandolfo to South El Monte (California) | 6,338.40 mi (10,200.67 km) |
| Castel Gandolfo to South Elgin (Illinois) | 4,845.16 mi (7,797.53 km) |
| Castel Gandolfo to South Euclid (Ohio) | 4,586.16 mi (7,380.71 km) |
| Castel Gandolfo to South Farmingdale (New York) | 4,268.77 mi (6,869.91 km) |
