| Spanish Springs to Smithville (Missouri) | 1,333.18 mi (2,145.54 km) |
| Spanish Springs to Smyrna (Delaware) | 2,325.87 mi (3,743.12 km) |
| Spanish Springs to Smyrna (Georgia) | 1,973.44 mi (3,175.95 km) |
| Spanish Springs to Smyrna (Tennessee) | 1,816.52 mi (2,923.41 km) |
| Spanish Springs to Snellville (Georgia) | 2,000.91 mi (3,220.16 km) |
| Spanish Springs to Snoqualmie (Washington) | 554.62 mi (892.58 km) |
| Spanish Springs to Snyder (Texas) | 1,147.81 mi (1,847.22 km) |
| Spanish Springs to Socastee (South Carolina) | 2,270.96 mi (3,654.75 km) |
| Spanish Springs to Socorro (Texas) | 933.03 mi (1,501.56 km) |
| Spanish Springs to Soddy-Daisy (Tennessee) | 1,904.30 mi (3,064.68 km) |
| Spanish Springs to Solana Beach (California) | 479.46 mi (771.61 km) |
| Spanish Springs to Soledad (California) | 239.96 mi (386.18 km) |
| Spanish Springs to Solon (Ohio) | 1,995.13 mi (3,210.84 km) |
| Spanish Springs to Somers Point (New Jersey) | 2,377.14 mi (3,825.63 km) |
| Spanish Springs to Somerset (Kentucky) | 1,895.36 mi (3,050.30 km) |
