| West Whittier-Los Nietos to Sestu | 6,351.76 mi (10,222.17 km) |
| West Whittier-Los Nietos to Settimo Torinese | 6,006.21 mi (9,666.05 km) |
| West Whittier-Los Nietos to Seveso | 6,024.34 mi (9,695.24 km) |
| West Whittier-Los Nietos to Sezze | 6,369.97 mi (10,251.47 km) |
| West Whittier-Los Nietos to Siano | 6,460.16 mi (10,396.63 km) |
| West Whittier-Los Nietos to Siena | 6,216.68 mi (10,004.78 km) |
| West Whittier-Los Nietos to Signa | 6,184.60 mi (9,953.16 km) |
| West Whittier-Los Nietos to Silea | 6,122.44 mi (9,853.11 km) |
| West Whittier-Los Nietos to Silvi Paese | 6,346.45 mi (10,213.63 km) |
| West Whittier-Los Nietos to Sinalunga | 6,235.00 mi (10,034.26 km) |
| West Whittier-Los Nietos to Siniscola | 6,306.56 mi (10,149.42 km) |
| West Whittier-Los Nietos to Sinnai | 6,355.53 mi (10,228.23 km) |
| West Whittier-Los Nietos to Siracusa | 6,684.26 mi (10,757.28 km) |
| West Whittier-Los Nietos to Solaro | 6,024.10 mi (9,694.85 km) |
| West Whittier-Los Nietos to Soliera | 6,128.53 mi (9,862.92 km) |
