| Hertford to Arpajon | 244.21 mi (393.02 km) |
| Hertford to Arques | 126.32 mi (203.30 km) |
| Hertford to Arras | 161.89 mi (260.53 km) |
| Hertford to Artigues-pres-Bordeaux | 479.61 mi (771.86 km) |
| Hertford to Athis-Mons | 239.61 mi (385.62 km) |
| Hertford to Aubagne | 643.56 mi (1,035.70 km) |
| Hertford to Aubenas | 536.60 mi (863.57 km) |
| Hertford to Aubergenville | 213.77 mi (344.04 km) |
| Hertford to Aubervilliers | 226.81 mi (365.02 km) |
| Hertford to Aubiere | 442.12 mi (711.52 km) |
| Hertford to Aucamville | 565.91 mi (910.75 km) |
| Hertford to Auch | 563.95 mi (907.59 km) |
| Hertford to Auchel | 141.92 mi (228.40 km) |
| Hertford to Audenge | 493.33 mi (793.94 km) |
| Hertford to Audincourt | 429.33 mi (690.94 km) |
