| Welwyn Garden City to Ascoli Piceno | 891.21 mi (1,434.26 km) |
| Welwyn Garden City to Asola | 664.45 mi (1,069.33 km) |
| Welwyn Garden City to Asolo | 688.42 mi (1,107.90 km) |
| Welwyn Garden City to Assemini | 971.12 mi (1,562.87 km) |
| Welwyn Garden City to Assisi | 847.52 mi (1,363.94 km) |
| Welwyn Garden City to Asti | 612.73 mi (986.09 km) |
| Welwyn Garden City to Atessa | 961.04 mi (1,546.64 km) |
| Welwyn Garden City to Atri | 918.45 mi (1,478.10 km) |
| Welwyn Garden City to Atripalda | 1,034.76 mi (1,665.29 km) |
| Welwyn Garden City to Augusta | 1,254.51 mi (2,018.94 km) |
| Welwyn Garden City to Aulla | 702.62 mi (1,130.76 km) |
| Welwyn Garden City to Aurisina | 759.11 mi (1,221.67 km) |
| Welwyn Garden City to Avellino | 1,033.58 mi (1,663.38 km) |
| Welwyn Garden City to Aversa | 1,011.99 mi (1,628.64 km) |
| Welwyn Garden City to Avezzano | 929.30 mi (1,495.56 km) |
