| Harpenden to Budva | 1,112.43 mi (1,790.28 km) |
| Harpenden to Cetinje | 1,111.03 mi (1,788.03 km) |
| Harpenden to Danilovgrad | 1,105.26 mi (1,778.75 km) |
| Harpenden to Golubovci | 1,124.66 mi (1,809.96 km) |
| Harpenden to Gusinje | 1,137.34 mi (1,830.37 km) |
| Harpenden to Herceg Novi | 1,093.03 mi (1,759.06 km) |
| Harpenden to Kolasin | 1,113.54 mi (1,792.07 km) |
| Harpenden to Kotor | 1,103.06 mi (1,775.20 km) |
| Harpenden to Mojkovac | 1,109.62 mi (1,785.76 km) |
| Harpenden to Niksic | 1,093.76 mi (1,760.24 km) |
| Harpenden to Petnjica | 1,126.74 mi (1,813.31 km) |
| Harpenden to Plav | 1,139.68 mi (1,834.13 km) |
| Harpenden to Pljevlja | 1,083.45 mi (1,743.65 km) |
| Harpenden to Pluzine | 1,072.30 mi (1,725.70 km) |
| Harpenden to Podgorica | 1,121.12 mi (1,804.26 km) |
