| Cincinnati to Sestu | 4,751.41 mi (7,646.66 km) |
| Cincinnati to Settimo Torinese | 4,477.64 mi (7,206.06 km) |
| Cincinnati to Seveso | 4,516.10 mi (7,267.97 km) |
| Cincinnati to Sezze | 4,837.81 mi (7,785.69 km) |
| Cincinnati to Siano | 4,934.71 mi (7,941.65 km) |
| Cincinnati to Siena | 4,693.81 mi (7,553.96 km) |
| Cincinnati to Signa | 4,666.42 mi (7,509.87 km) |
| Cincinnati to Silea | 4,644.40 mi (7,474.43 km) |
| Cincinnati to Silvi Paese | 4,839.99 mi (7,789.21 km) |
| Cincinnati to Sinalunga | 4,714.52 mi (7,587.29 km) |
| Cincinnati to Siniscola | 4,729.03 mi (7,610.65 km) |
| Cincinnati to Sinnai | 4,756.23 mi (7,654.41 km) |
| Cincinnati to Siracusa | 5,114.58 mi (8,231.12 km) |
| Cincinnati to Solaro | 4,514.93 mi (7,266.08 km) |
| Cincinnati to Soliera | 4,623.07 mi (7,440.12 km) |
