| Harpenden to Kloten | 500.37 mi (805.27 km) |
| Harpenden to Koniz | 484.80 mi (780.21 km) |
| Harpenden to Kreuzlingen | 513.51 mi (826.42 km) |
| Harpenden to Kriens | 509.19 mi (819.46 km) |
| Harpenden to Kusnacht | 506.39 mi (814.95 km) |
| Harpenden to Kussnacht | 512.74 mi (825.18 km) |
| Harpenden to La Chaux-de-Fonds | 457.94 mi (736.98 km) |
| Harpenden to La Tour-de-Peilz | 493.53 mi (794.26 km) |
| Harpenden to Lachen | 521.87 mi (839.87 km) |
| Harpenden to Landecy | 486.96 mi (783.68 km) |
| Harpenden to Landquart | 556.48 mi (895.56 km) |
| Harpenden to Langenthal | 483.46 mi (778.06 km) |
| Harpenden to Langnau | 496.86 mi (799.62 km) |
| Harpenden to Lausanne | 482.86 mi (777.09 km) |
| Harpenden to Le Grand-Saconnex | 484.12 mi (779.12 km) |
