| Harpenden to Southwick | 218.67 mi (351.91 km) |
| Harpenden to Southwick | 67.99 mi (109.42 km) |
| Harpenden to Sowerby Bridge | 146.07 mi (235.08 km) |
| Harpenden to Spalding | 67.43 mi (108.52 km) |
| Harpenden to Spennymoor | 205.62 mi (330.91 km) |
| Harpenden to Spitalfields | 23.95 mi (38.54 km) |
| Harpenden to Spondon | 88.09 mi (141.76 km) |
| Harpenden to Stafford | 101.14 mi (162.77 km) |
| Harpenden to Staines-upon-Thames | 27.36 mi (44.03 km) |
| Harpenden to Stalybridge | 135.09 mi (217.41 km) |
| Harpenden to Stamford | 58.20 mi (93.67 km) |
| Harpenden to Standish | 155.86 mi (250.83 km) |
| Harpenden to Stanford le Hope | 39.34 mi (63.32 km) |
| Harpenden to Stanley | 139.23 mi (224.07 km) |
| Harpenden to Stanmore | 13.88 mi (22.34 km) |
