| Harpenden to Buhusi | 1,261.55 mi (2,030.27 km) |
| Harpenden to Bumbesti-Jiu | 1,172.73 mi (1,887.33 km) |
| Harpenden to Busteni | 1,254.56 mi (2,019.03 km) |
| Harpenden to Buzau | 1,317.51 mi (2,120.33 km) |
| Harpenden to Cajvana | 1,201.53 mi (1,933.68 km) |
| Harpenden to Calafat | 1,200.52 mi (1,932.05 km) |
| Harpenden to Calan | 1,137.48 mi (1,830.59 km) |
| Harpenden to Calarasi | 1,373.23 mi (2,210.01 km) |
| Harpenden to Campia Turzii | 1,147.05 mi (1,846.01 km) |
| Harpenden to Campina | 1,272.90 mi (2,048.54 km) |
| Harpenden to Campulung | 1,238.99 mi (1,993.96 km) |
| Harpenden to Campulung Moldovenesc | 1,188.55 mi (1,912.79 km) |
| Harpenden to Caracal | 1,252.49 mi (2,015.70 km) |
| Harpenden to Caransebes | 1,115.92 mi (1,795.90 km) |
| Harpenden to Carei | 1,053.08 mi (1,694.77 km) |
