| Harpenden to Kopavogur | 1,148.77 mi (1,848.77 km) |
| Harpenden to Reykjavik | 1,151.01 mi (1,852.38 km) |
| Harpenden to Saudharkrokur | 1,174.04 mi (1,889.44 km) |
| Harpenden to Selfoss | 1,119.54 mi (1,801.73 km) |
| Harpenden to An Cabhan | 328.19 mi (528.16 km) |
| Harpenden to Arklow | 254.58 mi (409.71 km) |
| Harpenden to Ashtown | 272.98 mi (439.32 km) |
| Harpenden to Athy | 291.08 mi (468.44 km) |
| Harpenden to Baile Atha Luain | 336.96 mi (542.28 km) |
| Harpenden to Ballincollig | 351.38 mi (565.49 km) |
| Harpenden to Blackrock | 265.21 mi (426.81 km) |
| Harpenden to Carlow | 286.41 mi (460.93 km) |
| Harpenden to Carrick on Shannon | 354.45 mi (570.43 km) |
| Harpenden to Carrigaline | 343.15 mi (552.24 km) |
| Harpenden to Castlebar | 398.85 mi (641.88 km) |
