| Cities | Distance |
|---|---|
| Harpenden to Oststeinbek | 456.00 mi (733.86 km) |
| Harpenden to Ottendorf-Okrilla | 610.48 mi (982.48 km) |
| Harpenden to Ottersberg | 409.42 mi (658.90 km) |
| Harpenden to Ottobrunn | 592.99 mi (954.33 km) |
| Harpenden to Ottweiler | 370.49 mi (596.25 km) |
| Harpenden to Overath | 335.22 mi (539.48 km) |
| Harpenden to Oyten | 403.60 mi (649.53 km) |
| Harpenden to Paderborn | 389.19 mi (626.34 km) |
| Harpenden to Papenburg | 337.53 mi (543.20 km) |
| Harpenden to Parchim | 522.29 mi (840.55 km) |
| Harpenden to Pasewalk | 611.52 mi (984.15 km) |
| Harpenden to Passau | 649.70 mi (1,045.59 km) |
| Harpenden to Pattensen | 430.81 mi (693.32 km) |
| Harpenden to Pegnitz | 538.16 mi (866.09 km) |
| Harpenden to Peine | 450.55 mi (725.09 km) |