| Willowbrook to Sestu | 6,360.64 mi (10,236.47 km) |
| Willowbrook to Settimo Torinese | 6,014.79 mi (9,679.87 km) |
| Willowbrook to Seveso | 6,032.82 mi (9,708.88 km) |
| Willowbrook to Sezze | 6,378.49 mi (10,265.19 km) |
| Willowbrook to Siano | 6,468.63 mi (10,410.26 km) |
| Willowbrook to Siena | 6,225.19 mi (10,018.47 km) |
| Willowbrook to Signa | 6,193.10 mi (9,966.82 km) |
| Willowbrook to Silea | 6,130.74 mi (9,866.47 km) |
| Willowbrook to Silvi Paese | 6,354.85 mi (10,227.14 km) |
| Willowbrook to Sinalunga | 6,243.49 mi (10,047.93 km) |
| Willowbrook to Siniscola | 6,315.33 mi (10,163.54 km) |
| Willowbrook to Sinnai | 6,364.40 mi (10,242.52 km) |
| Willowbrook to Siracusa | 6,692.93 mi (10,771.22 km) |
| Willowbrook to Solaro | 6,032.58 mi (9,708.50 km) |
| Willowbrook to Soliera | 6,136.97 mi (9,876.50 km) |
