| Willow Grove to Sesena | 3,662.87 mi (5,894.82 km) |
| Willow Grove to Sestao | 3,605.63 mi (5,802.71 km) |
| Willow Grove to Sevilla | 3,636.23 mi (5,851.94 km) |
| Willow Grove to Sevilla La Nueva | 3,639.98 mi (5,857.98 km) |
| Willow Grove to Silla | 3,842.45 mi (6,183.83 km) |
| Willow Grove to Silleda | 3,376.50 mi (5,433.95 km) |
| Willow Grove to Sitges | 3,888.95 mi (6,258.66 km) |
| Willow Grove to Socuellamos | 3,730.26 mi (6,003.28 km) |
| Willow Grove to Soller | 3,977.02 mi (6,400.40 km) |
| Willow Grove to Solsona | 3,852.49 mi (6,199.98 km) |
| Willow Grove to Son Servera | 4,012.75 mi (6,457.90 km) |
| Willow Grove to Sonseca | 3,662.54 mi (5,894.29 km) |
| Willow Grove to Sopelana | 3,604.95 mi (5,801.61 km) |
| Willow Grove to Soria | 3,673.51 mi (5,911.95 km) |
| Willow Grove to Suances | 3,553.97 mi (5,719.56 km) |
