| Hertford to Ascoli Piceno | 886.93 mi (1,427.37 km) |
| Hertford to Asola | 660.20 mi (1,062.49 km) |
| Hertford to Asolo | 683.89 mi (1,100.61 km) |
| Hertford to Assemini | 968.05 mi (1,557.92 km) |
| Hertford to Assisi | 843.32 mi (1,357.19 km) |
| Hertford to Asti | 608.93 mi (979.98 km) |
| Hertford to Atessa | 956.77 mi (1,539.77 km) |
| Hertford to Atri | 914.16 mi (1,471.20 km) |
| Hertford to Atripalda | 1,030.59 mi (1,658.57 km) |
| Hertford to Augusta | 1,250.67 mi (2,012.77 km) |
| Hertford to Aulla | 698.62 mi (1,124.33 km) |
| Hertford to Aurisina | 754.43 mi (1,214.14 km) |
| Hertford to Avellino | 1,029.40 mi (1,656.67 km) |
| Hertford to Aversa | 1,007.88 mi (1,622.02 km) |
| Hertford to Avezzano | 925.14 mi (1,488.88 km) |
