| Hertford to Kopavogur | 1,156.57 mi (1,861.32 km) |
| Hertford to Reykjavik | 1,158.80 mi (1,864.91 km) |
| Hertford to Saudharkrokur | 1,180.80 mi (1,900.31 km) |
| Hertford to Selfoss | 1,127.28 mi (1,814.19 km) |
| Hertford to An Cabhan | 339.11 mi (545.74 km) |
| Hertford to Arklow | 266.22 mi (428.44 km) |
| Hertford to Ashtown | 284.22 mi (457.41 km) |
| Hertford to Athy | 302.67 mi (487.10 km) |
| Hertford to Baile Atha Luain | 348.39 mi (560.68 km) |
| Hertford to Ballincollig | 363.20 mi (584.52 km) |
| Hertford to Blackrock | 276.48 mi (444.95 km) |
| Hertford to Carlow | 298.08 mi (479.71 km) |
| Hertford to Carrick on Shannon | 365.55 mi (588.30 km) |
| Hertford to Carrigaline | 354.96 mi (571.25 km) |
| Hertford to Castlebar | 410.16 mi (660.09 km) |
