| Aire-sur-la-Lys to Bistrita | 1,028.80 mi (1,655.70 km) |
| Aire-sur-la-Lys to Blaj | 1,029.74 mi (1,657.21 km) |
| Aire-sur-la-Lys to Bocsa | 960.51 mi (1,545.79 km) |
| Aire-sur-la-Lys to Boldesti-Scaeni | 1,156.64 mi (1,861.43 km) |
| Aire-sur-la-Lys to Bolintin Vale | 1,164.40 mi (1,873.93 km) |
| Aire-sur-la-Lys to Borsa | 1,023.10 mi (1,646.53 km) |
| Aire-sur-la-Lys to Botosani | 1,108.80 mi (1,784.44 km) |
| Aire-sur-la-Lys to Brad | 982.56 mi (1,581.28 km) |
| Aire-sur-la-Lys to Bragadiru | 1,176.35 mi (1,893.16 km) |
| Aire-sur-la-Lys to Braila | 1,232.47 mi (1,983.47 km) |
| Aire-sur-la-Lys to Brasov | 1,118.70 mi (1,800.38 km) |
| Aire-sur-la-Lys to Breaza | 1,135.70 mi (1,827.74 km) |
| Aire-sur-la-Lys to Bucharest | 1,179.75 mi (1,898.63 km) |
| Aire-sur-la-Lys to Buftea | 1,168.47 mi (1,880.47 km) |
| Aire-sur-la-Lys to Buhusi | 1,136.01 mi (1,828.24 km) |
