| Harpenden to Freilassing | 653.12 mi (1,051.10 km) |
| Harpenden to Freising | 584.90 mi (941.31 km) |
| Harpenden to Freital | 604.95 mi (973.57 km) |
| Harpenden to Freudenberg | 360.03 mi (579.42 km) |
| Harpenden to Freudenstadt | 451.56 mi (726.72 km) |
| Harpenden to Freystadt | 542.98 mi (873.84 km) |
| Harpenden to Frickenhausen | 483.36 mi (777.90 km) |
| Harpenden to Friedberg | 555.95 mi (894.72 km) |
| Harpenden to Friedberg | 407.93 mi (656.50 km) |
| Harpenden to Friedeburg | 361.07 mi (581.08 km) |
| Harpenden to Friedland | 441.77 mi (710.95 km) |
| Harpenden to Friedrichsdorf | 405.02 mi (651.81 km) |
| Harpenden to Friedrichshafen | 524.53 mi (844.14 km) |
| Harpenden to Friedrichsthal | 369.18 mi (594.15 km) |
| Harpenden to Friesenheim | 435.37 mi (700.66 km) |
