| Harrow on the Hill to Beausoleil | 649.21 mi (1,044.81 km) |
| Harrow on the Hill to Beauvais | 182.05 mi (292.98 km) |
| Harrow on the Hill to Begles | 466.96 mi (751.50 km) |
| Harrow on the Hill to Belfort | 420.38 mi (676.54 km) |
| Harrow on the Hill to Bellegarde-sur-Valserine | 469.38 mi (755.40 km) |
| Harrow on the Hill to Bellerive-sur-Allier | 412.93 mi (664.55 km) |
| Harrow on the Hill to Bellevue | 221.54 mi (356.54 km) |
| Harrow on the Hill to Belley | 485.88 mi (781.95 km) |
| Harrow on the Hill to Berck-sur-Mer | 115.78 mi (186.33 km) |
| Harrow on the Hill to Bergerac | 465.49 mi (749.14 km) |
| Harrow on the Hill to Bernay | 175.99 mi (283.23 km) |
| Harrow on the Hill to Berre-l'Etang | 614.64 mi (989.17 km) |
| Harrow on the Hill to Besancon | 413.11 mi (664.83 km) |
| Harrow on the Hill to Bethune | 147.63 mi (237.58 km) |
| Harrow on the Hill to Betton | 240.91 mi (387.71 km) |
