| South Euclid to Sestu | 4,530.14 mi (7,290.55 km) |
| South Euclid to Settimo Torinese | 4,252.71 mi (6,844.07 km) |
| South Euclid to Seveso | 4,290.59 mi (6,905.04 km) |
| South Euclid to Sezze | 4,613.51 mi (7,424.72 km) |
| South Euclid to Siano | 4,710.30 mi (7,580.50 km) |
| South Euclid to Siena | 4,468.98 mi (7,192.13 km) |
| South Euclid to Signa | 4,441.40 mi (7,147.74 km) |
| South Euclid to Silea | 4,418.25 mi (7,110.49 km) |
| South Euclid to Silvi Paese | 4,614.83 mi (7,426.85 km) |
| South Euclid to Sinalunga | 4,489.64 mi (7,225.38 km) |
| South Euclid to Siniscola | 4,506.51 mi (7,252.53 km) |
| South Euclid to Sinnai | 4,534.90 mi (7,298.22 km) |
| South Euclid to Siracusa | 4,892.31 mi (7,873.41 km) |
| South Euclid to Solaro | 4,289.44 mi (6,903.19 km) |
| South Euclid to Soliera | 4,397.61 mi (7,077.28 km) |
