| Harpenden to Santa Ursula | 1,818.08 mi (2,925.91 km) |
| Harpenden to Santander | 599.03 mi (964.05 km) |
| Harpenden to Santany | 877.16 mi (1,411.65 km) |
| Harpenden to Santiago de Compostela | 726.02 mi (1,168.41 km) |
| Harpenden to Santiago del Teide | 1,833.97 mi (2,951.50 km) |
| Harpenden to Santiponce | 1,031.57 mi (1,660.14 km) |
| Harpenden to Santomera | 951.03 mi (1,530.54 km) |
| Harpenden to Santona | 596.37 mi (959.77 km) |
| Harpenden to Santurce-Antiguo | 599.45 mi (964.72 km) |
| Harpenden to Sarria | 705.75 mi (1,135.80 km) |
| Harpenden to Sauzal | 1,813.28 mi (2,918.19 km) |
| Harpenden to Sedavi | 856.10 mi (1,377.75 km) |
| Harpenden to Segorbe | 826.77 mi (1,330.56 km) |
| Harpenden to Segovia | 771.88 mi (1,242.22 km) |
| Harpenden to Senmanat | 715.03 mi (1,150.74 km) |
