| Euclid to Sestu | 4,527.48 mi (7,286.27 km) |
| Euclid to Settimo Torinese | 4,249.74 mi (6,839.30 km) |
| Euclid to Seveso | 4,287.56 mi (6,900.16 km) |
| Euclid to Sezze | 4,610.60 mi (7,420.04 km) |
| Euclid to Siano | 4,707.38 mi (7,575.80 km) |
| Euclid to Siena | 4,466.02 mi (7,187.37 km) |
| Euclid to Signa | 4,438.42 mi (7,142.94 km) |
| Euclid to Silea | 4,415.14 mi (7,105.47 km) |
| Euclid to Silvi Paese | 4,611.83 mi (7,422.03 km) |
| Euclid to Sinalunga | 4,486.68 mi (7,220.61 km) |
| Euclid to Siniscola | 4,503.76 mi (7,248.09 km) |
| Euclid to Sinnai | 4,532.24 mi (7,293.93 km) |
| Euclid to Siracusa | 4,889.57 mi (7,869.00 km) |
| Euclid to Solaro | 4,286.41 mi (6,898.31 km) |
| Euclid to Soliera | 4,394.58 mi (7,072.40 km) |
