| Circleville to Sestu | 4,663.68 mi (7,505.47 km) |
| Circleville to Settimo Torinese | 4,391.87 mi (7,068.03 km) |
| Circleville to Seveso | 4,430.84 mi (7,130.74 km) |
| Circleville to Sezze | 4,751.56 mi (7,646.90 km) |
| Circleville to Siano | 4,848.53 mi (7,802.96 km) |
| Circleville to Siena | 4,607.95 mi (7,415.78 km) |
| Circleville to Signa | 4,580.71 mi (7,371.94 km) |
| Circleville to Silea | 4,559.80 mi (7,338.29 km) |
| Circleville to Silvi Paese | 4,754.39 mi (7,651.46 km) |
| Circleville to Sinalunga | 4,628.70 mi (7,449.18 km) |
| Circleville to Siniscola | 4,641.82 mi (7,470.28 km) |
| Circleville to Sinnai | 4,668.51 mi (7,513.25 km) |
| Circleville to Siracusa | 5,027.23 mi (8,090.54 km) |
| Circleville to Solaro | 4,429.64 mi (7,128.82 km) |
| Circleville to Soliera | 4,537.76 mi (7,302.81 km) |
