| Johnston to Somersworth (New Hampshire) | 1,165.24 mi (1,875.27 km) |
| Johnston to Somerton (Arizona) | 1,309.94 mi (2,108.15 km) |
| Johnston to Somerville (Massachusetts) | 1,158.39 mi (1,864.24 km) |
| Johnston to Somerville (New Jersey) | 995.70 mi (1,602.43 km) |
| Johnston to Sonoma (California) | 1,531.94 mi (2,465.42 km) |
| Johnston to Soquel (California) | 1,535.29 mi (2,470.82 km) |
| Johnston to South Bend (Indiana) | 384.50 mi (618.80 km) |
| Johnston to South Bradenton (Florida) | 1,167.45 mi (1,878.83 km) |
| Johnston to South Burlington (Vermont) | 1,049.43 mi (1,688.89 km) |
| Johnston to South Charleston (West Virginia) | 675.49 mi (1,087.10 km) |
| Johnston to South Daytona (Florida) | 1,120.61 mi (1,803.44 km) |
| Johnston to South El Monte (California) | 1,421.84 mi (2,288.23 km) |
| Johnston to South Elgin (Illinois) | 279.19 mi (449.32 km) |
| Johnston to South Euclid (Ohio) | 629.80 mi (1,013.56 km) |
| Johnston to South Farmingdale (New York) | 1,053.73 mi (1,695.81 km) |
