| Harpenden to Veliki Preslav | 1,391.31 mi (2,239.09 km) |
| Harpenden to Veliko Tarnovo | 1,345.46 mi (2,165.31 km) |
| Harpenden to Velingrad | 1,324.59 mi (2,131.71 km) |
| Harpenden to Vidin | 1,196.26 mi (1,925.20 km) |
| Harpenden to Vratsa | 1,256.34 mi (2,021.88 km) |
| Harpenden to Yambol | 1,405.86 mi (2,262.51 km) |
| Harpenden to Zlatograd | 1,396.21 mi (2,246.99 km) |
| Harpenden to Beli Manastir | 954.86 mi (1,536.69 km) |
| Harpenden to Bjelovar | 878.75 mi (1,414.21 km) |
| Harpenden to Cakovec | 844.34 mi (1,358.83 km) |
| Harpenden to Cepin | 962.98 mi (1,549.77 km) |
| Harpenden to Crikvenica | 825.18 mi (1,327.99 km) |
| Harpenden to Dakovo | 964.69 mi (1,552.52 km) |
| Harpenden to Daruvar | 906.26 mi (1,458.48 km) |
| Harpenden to Duga Resa | 844.35 mi (1,358.85 km) |
