| Harrow Weald to Torun | 804.03 mi (1,293.96 km) |
| Harrow Weald to Trzcianka | 714.95 mi (1,150.60 km) |
| Harrow Weald to Trzebiatow | 671.61 mi (1,080.85 km) |
| Harrow Weald to Trzebinia | 867.01 mi (1,395.32 km) |
| Harrow Weald to Trzebnica | 747.68 mi (1,203.28 km) |
| Harrow Weald to Tuchola | 773.41 mi (1,244.68 km) |
| Harrow Weald to Turek | 803.02 mi (1,292.33 km) |
| Harrow Weald to Tychy | 846.44 mi (1,362.22 km) |
| Harrow Weald to Ustka | 740.17 mi (1,191.19 km) |
| Harrow Weald to Ustron | 846.30 mi (1,361.99 km) |
| Harrow Weald to Ustrzyki Dolne | 1,014.03 mi (1,631.93 km) |
| Harrow Weald to Wabrzezno | 818.04 mi (1,316.50 km) |
| Harrow Weald to Wadowice | 872.74 mi (1,404.54 km) |
| Harrow Weald to Wagrowiec | 745.40 mi (1,199.61 km) |
| Harrow Weald to Walbrzych | 720.63 mi (1,159.74 km) |
