| Mont-de-Marsan to Bistrita | 1,225.52 mi (1,972.29 km) |
| Mont-de-Marsan to Blaj | 1,197.70 mi (1,927.52 km) |
| Mont-de-Marsan to Bocsa | 1,093.37 mi (1,759.62 km) |
| Mont-de-Marsan to Boldesti-Scaeni | 1,304.82 mi (2,099.91 km) |
| Mont-de-Marsan to Bolintin Vale | 1,296.28 mi (2,086.16 km) |
| Mont-de-Marsan to Borsa | 1,234.46 mi (1,986.66 km) |
| Mont-de-Marsan to Botosani | 1,327.92 mi (2,137.08 km) |
| Mont-de-Marsan to Brad | 1,143.95 mi (1,841.01 km) |
| Mont-de-Marsan to Bragadiru | 1,307.64 mi (2,104.45 km) |
| Mont-de-Marsan to Braila | 1,396.45 mi (2,247.36 km) |
| Mont-de-Marsan to Brasov | 1,281.03 mi (2,061.62 km) |
| Mont-de-Marsan to Breaza | 1,285.90 mi (2,069.46 km) |
| Mont-de-Marsan to Bucharest | 1,313.37 mi (2,113.66 km) |
| Mont-de-Marsan to Buftea | 1,304.60 mi (2,099.56 km) |
| Mont-de-Marsan to Buhusi | 1,329.59 mi (2,139.76 km) |
