| Willoughby to Santa Ursula | 3,696.00 mi (5,948.14 km) |
| Willoughby to Santander | 3,800.25 mi (6,115.90 km) |
| Willoughby to Santany | 4,252.67 mi (6,844.01 km) |
| Willoughby to Santiago de Compostela | 3,603.63 mi (5,799.49 km) |
| Willoughby to Santiago del Teide | 3,684.32 mi (5,929.33 km) |
| Willoughby to Santiponce | 3,894.64 mi (6,267.82 km) |
| Willoughby to Santomera | 4,107.92 mi (6,611.06 km) |
| Willoughby to Santona | 3,816.44 mi (6,141.96 km) |
| Willoughby to Santurce-Antiguo | 3,838.97 mi (6,178.22 km) |
| Willoughby to Sarria | 3,658.00 mi (5,886.98 km) |
| Willoughby to Sauzal | 3,696.83 mi (5,949.48 km) |
| Willoughby to Sedavi | 4,090.06 mi (6,582.32 km) |
| Willoughby to Segorbe | 4,070.32 mi (6,550.54 km) |
| Willoughby to Segovia | 3,866.84 mi (6,223.08 km) |
| Willoughby to Senmanat | 4,126.87 mi (6,641.55 km) |
