| Mont-de-Marsan to Benevento | 800.08 mi (1,287.61 km) |
| Mont-de-Marsan to Bergamo | 513.63 mi (826.61 km) |
| Mont-de-Marsan to Bernalda | 910.41 mi (1,465.16 km) |
| Mont-de-Marsan to Bertinoro | 627.32 mi (1,009.58 km) |
| Mont-de-Marsan to Besana in Brianza | 495.36 mi (797.21 km) |
| Mont-de-Marsan to Besozzo | 468.54 mi (754.04 km) |
| Mont-de-Marsan to Biancavilla | 910.34 mi (1,465.05 km) |
| Mont-de-Marsan to Biassono | 493.70 mi (794.54 km) |
| Mont-de-Marsan to Bibbiano | 544.73 mi (876.66 km) |
| Mont-de-Marsan to Bibbiena | 613.84 mi (987.88 km) |
| Mont-de-Marsan to Biella | 435.94 mi (701.58 km) |
| Mont-de-Marsan to Bisceglie | 882.76 mi (1,420.67 km) |
| Mont-de-Marsan to Bisignano | 915.01 mi (1,472.57 km) |
| Mont-de-Marsan to Bitetto | 899.36 mi (1,447.37 km) |
| Mont-de-Marsan to Bitonto | 894.25 mi (1,439.16 km) |
