| Os to Beuvry | 679.47 mi (1,093.51 km) |
| Os to Beziers | 1,170.06 mi (1,883.03 km) |
| Os to Bezons | 791.39 mi (1,273.62 km) |
| Os to Biarritz | 1,193.81 mi (1,921.25 km) |
| Os to Biganos | 1,109.18 mi (1,785.05 km) |
| Os to Billere | 1,194.89 mi (1,922.98 km) |
| Os to Biot | 1,148.82 mi (1,848.85 km) |
| Os to Biscarrosse | 1,128.02 mi (1,815.38 km) |
| Os to Bischheim | 807.46 mi (1,299.48 km) |
| Os to Bischwiller | 797.45 mi (1,283.38 km) |
| Os to Blagnac | 1,158.89 mi (1,865.05 km) |
| Os to Blain | 927.76 mi (1,493.09 km) |
| Os to Blanquefort | 1,087.82 mi (1,750.68 km) |
| Os to Blois | 888.59 mi (1,430.05 km) |
| Os to Bobigny | 791.07 mi (1,273.10 km) |
