| Welwyn Garden City to Trim | 301.51 mi (485.23 km) |
| Welwyn Garden City to Tuam | 381.27 mi (613.59 km) |
| Welwyn Garden City to Tullamore | 323.06 mi (519.92 km) |
| Welwyn Garden City to Waterford | 296.36 mi (476.94 km) |
| Welwyn Garden City to Wexford | 268.46 mi (432.04 km) |
| Welwyn Garden City to Wicklow | 259.11 mi (417.00 km) |
| Welwyn Garden City to Abano Terme | 704.41 mi (1,133.64 km) |
| Welwyn Garden City to Abbiategrasso | 606.69 mi (976.38 km) |
| Welwyn Garden City to Acate | 1,246.73 mi (2,006.42 km) |
| Welwyn Garden City to Acerra | 1,018.20 mi (1,638.64 km) |
| Welwyn Garden City to Aci Castello | 1,234.55 mi (1,986.81 km) |
| Welwyn Garden City to Aci Catena | 1,231.59 mi (1,982.05 km) |
| Welwyn Garden City to Aci Sant'Antonio | 1,231.10 mi (1,981.27 km) |
| Welwyn Garden City to Acireale | 1,231.59 mi (1,982.05 km) |
| Welwyn Garden City to Acquaviva delle Fonti | 1,103.31 mi (1,775.60 km) |
