| Welwyn Garden City to Torun | 794.60 mi (1,278.79 km) |
| Welwyn Garden City to Trzcianka | 705.50 mi (1,135.39 km) |
| Welwyn Garden City to Trzebiatow | 660.92 mi (1,063.65 km) |
| Welwyn Garden City to Trzebinia | 860.60 mi (1,385.00 km) |
| Welwyn Garden City to Trzebnica | 740.32 mi (1,191.42 km) |
| Welwyn Garden City to Tuchola | 763.37 mi (1,228.52 km) |
| Welwyn Garden City to Turek | 794.68 mi (1,278.91 km) |
| Welwyn Garden City to Tychy | 840.16 mi (1,352.11 km) |
| Welwyn Garden City to Ustka | 729.07 mi (1,173.33 km) |
| Welwyn Garden City to Ustron | 840.51 mi (1,352.67 km) |
| Welwyn Garden City to Ustrzyki Dolne | 1,007.77 mi (1,621.85 km) |
| Welwyn Garden City to Wabrzezno | 808.34 mi (1,300.89 km) |
| Welwyn Garden City to Wadowice | 866.63 mi (1,394.70 km) |
| Welwyn Garden City to Wagrowiec | 736.24 mi (1,184.86 km) |
| Welwyn Garden City to Walbrzych | 714.06 mi (1,149.18 km) |
