| Harpenden to Alesd | 1,068.60 mi (1,719.75 km) |
| Harpenden to Alexandria | 1,298.72 mi (2,090.09 km) |
| Harpenden to Arad | 1,051.73 mi (1,692.59 km) |
| Harpenden to Avrig | 1,195.59 mi (1,924.11 km) |
| Harpenden to Babadag | 1,407.43 mi (2,265.04 km) |
| Harpenden to Bacau | 1,274.62 mi (2,051.30 km) |
| Harpenden to Baia Mare | 1,100.97 mi (1,771.85 km) |
| Harpenden to Baia-Sprie | 1,106.32 mi (1,780.46 km) |
| Harpenden to Baicoi | 1,281.17 mi (2,061.84 km) |
| Harpenden to Bailesti | 1,214.86 mi (1,955.13 km) |
| Harpenden to Bals | 1,233.19 mi (1,984.63 km) |
| Harpenden to Baraolt | 1,234.93 mi (1,987.43 km) |
| Harpenden to Barlad | 1,317.95 mi (2,121.03 km) |
| Harpenden to Beclean | 1,140.36 mi (1,835.24 km) |
| Harpenden to Beius | 1,079.39 mi (1,737.11 km) |
