| Welwyn Garden City to Acqui Terme | 632.79 mi (1,018.37 km) |
| Welwyn Garden City to Acri | 1,162.49 mi (1,870.85 km) |
| Welwyn Garden City to Adelfia | 1,098.70 mi (1,768.18 km) |
| Welwyn Garden City to Adrano | 1,218.96 mi (1,961.73 km) |
| Welwyn Garden City to Adria | 728.40 mi (1,172.24 km) |
| Welwyn Garden City to Afragola | 1,018.44 mi (1,639.01 km) |
| Welwyn Garden City to Agliana | 751.84 mi (1,209.97 km) |
| Welwyn Garden City to Agrate Brianza | 610.85 mi (983.06 km) |
| Welwyn Garden City to Agrigento | 1,204.78 mi (1,938.91 km) |
| Welwyn Garden City to Agropoli | 1,070.77 mi (1,723.24 km) |
| Welwyn Garden City to Ala | 658.16 mi (1,059.20 km) |
| Welwyn Garden City to Alassio | 663.04 mi (1,067.05 km) |
| Welwyn Garden City to Alatri | 943.31 mi (1,518.12 km) |
| Welwyn Garden City to Alba | 619.11 mi (996.35 km) |
| Welwyn Garden City to Albano Laziale | 921.80 mi (1,483.50 km) |
