| Alton to Somersworth (New Hampshire) | 3,200.62 mi (5,150.90 km) |
| Alton to Somerton (Arizona) | 5,392.99 mi (8,679.17 km) |
| Alton to Somerville (Massachusetts) | 3,244.37 mi (5,221.31 km) |
| Alton to Somerville (New Jersey) | 3,465.03 mi (5,576.43 km) |
| Alton to Sonoma (California) | 5,318.17 mi (8,558.76 km) |
| Alton to Soquel (California) | 5,377.38 mi (8,654.06 km) |
| Alton to South Bend (Indiana) | 3,883.08 mi (6,249.22 km) |
| Alton to South Bradenton (Florida) | 4,413.05 mi (7,102.11 km) |
| Alton to South Burlington (Vermont) | 3,247.20 mi (5,225.87 km) |
| Alton to South Charleston (West Virginia) | 3,854.31 mi (6,202.92 km) |
| Alton to South Daytona (Florida) | 4,261.74 mi (6,858.62 km) |
| Alton to South El Monte (California) | 5,423.24 mi (8,727.86 km) |
| Alton to South Elgin (Illinois) | 3,947.55 mi (6,352.97 km) |
| Alton to South Euclid (Ohio) | 3,703.43 mi (5,960.10 km) |
| Alton to South Farmingdale (New York) | 3,410.83 mi (5,489.21 km) |
