| Cincinnati to Smyrna (Delaware) | 476.22 mi (766.40 km) |
| Cincinnati to Smyrna (Georgia) | 364.67 mi (586.89 km) |
| Cincinnati to Smyrna (Tennessee) | 245.54 mi (395.16 km) |
| Cincinnati to Snellville (Georgia) | 366.23 mi (589.39 km) |
| Cincinnati to Snoqualmie (Washington) | 1,942.59 mi (3,126.30 km) |
| Cincinnati to Snyder (Texas) | 1,017.59 mi (1,637.65 km) |
| Cincinnati to Socastee (South Carolina) | 485.01 mi (780.55 km) |
| Cincinnati to Socorro (Texas) | 1,326.16 mi (2,134.25 km) |
| Cincinnati to Soddy-Daisy (Tennessee) | 270.88 mi (435.93 km) |
| Cincinnati to Solana Beach (California) | 1,867.00 mi (3,004.65 km) |
| Cincinnati to Soledad (California) | 2,006.11 mi (3,228.53 km) |
| Cincinnati to Solon (Ohio) | 224.01 mi (360.52 km) |
| Cincinnati to Somers Point (New Jersey) | 529.70 mi (852.48 km) |
| Cincinnati to Somerset (Kentucky) | 142.30 mi (229.01 km) |
| Cincinnati to Somerset (New Jersey) | 538.93 mi (867.33 km) |
