| Harrow Weald to Aleksandrow Lodzki | 838.53 mi (1,349.48 km) |
| Harrow Weald to Andrychow | 866.46 mi (1,394.43 km) |
| Harrow Weald to Augustow | 983.39 mi (1,582.61 km) |
| Harrow Weald to Banino | 800.31 mi (1,287.98 km) |
| Harrow Weald to Barlinek | 662.23 mi (1,065.76 km) |
| Harrow Weald to Bartoszyce | 895.65 mi (1,441.41 km) |
| Harrow Weald to Bedzin | 848.54 mi (1,365.59 km) |
| Harrow Weald to Belchatow | 845.43 mi (1,360.59 km) |
| Harrow Weald to Biala Podlaska | 997.88 mi (1,605.93 km) |
| Harrow Weald to Bialogard | 699.90 mi (1,126.38 km) |
| Harrow Weald to Bialy Kamien | 719.17 mi (1,157.40 km) |
| Harrow Weald to Bialystok | 991.83 mi (1,596.20 km) |
| Harrow Weald to Bielawa | 735.83 mi (1,184.20 km) |
| Harrow Weald to Bielsk Podlaski | 995.90 mi (1,602.74 km) |
| Harrow Weald to Bielsko-Biala | 854.32 mi (1,374.89 km) |
