| Johnston to Smyrna (Delaware) | 964.29 mi (1,551.88 km) |
| Johnston to Smyrna (Georgia) | 737.56 mi (1,186.99 km) |
| Johnston to Smyrna (Tennessee) | 553.11 mi (890.15 km) |
| Johnston to Snellville (Georgia) | 757.19 mi (1,218.57 km) |
| Johnston to Snoqualmie (Washington) | 1,431.77 mi (2,304.22 km) |
| Johnston to Snyder (Texas) | 735.06 mi (1,182.96 km) |
| Johnston to Socastee (South Carolina) | 974.09 mi (1,567.65 km) |
| Johnston to Socorro (Texas) | 980.42 mi (1,577.83 km) |
| Johnston to Soddy-Daisy (Tennessee) | 640.85 mi (1,031.34 km) |
| Johnston to Solana Beach (California) | 1,419.40 mi (2,284.30 km) |
| Johnston to Soledad (California) | 1,518.23 mi (2,443.36 km) |
| Johnston to Solon (Ohio) | 635.07 mi (1,022.04 km) |
| Johnston to Somers Point (New Jersey) | 1,015.45 mi (1,634.21 km) |
| Johnston to Somerset (Kentucky) | 580.99 mi (935.02 km) |
| Johnston to Somerset (New Jersey) | 1,002.08 mi (1,612.69 km) |
