| Harpenden to Tutzing | 583.38 mi (938.86 km) |
| Harpenden to Twist | 317.34 mi (510.71 km) |
| Harpenden to Twistringen | 386.04 mi (621.27 km) |
| Harpenden to Ubach-Palenberg | 285.87 mi (460.06 km) |
| Harpenden to Uberherrn | 356.71 mi (574.06 km) |
| Harpenden to Uberlingen | 507.85 mi (817.31 km) |
| Harpenden to Ubstadt-Weiher | 434.69 mi (699.56 km) |
| Harpenden to Ueckermunde | 615.03 mi (989.79 km) |
| Harpenden to Uelzen | 466.67 mi (751.03 km) |
| Harpenden to Uetersen | 438.12 mi (705.09 km) |
| Harpenden to Uetze | 449.45 mi (723.32 km) |
| Harpenden to Uhingen | 488.48 mi (786.14 km) |
| Harpenden to Ulm | 514.64 mi (828.23 km) |
| Harpenden to Unna | 344.91 mi (555.08 km) |
| Harpenden to Unterfohring | 588.11 mi (946.47 km) |
