| Boulogne-sur-Mer to Barcs | 796.63 mi (1,282.06 km) |
| Boulogne-sur-Mer to Batonyterenye | 838.95 mi (1,350.16 km) |
| Boulogne-sur-Mer to Bekes | 927.23 mi (1,492.23 km) |
| Boulogne-sur-Mer to Bekescsaba | 927.92 mi (1,493.34 km) |
| Boulogne-sur-Mer to Berettyoujfalu | 932.93 mi (1,501.40 km) |
| Boulogne-sur-Mer to Biatorbagy | 808.31 mi (1,300.85 km) |
| Boulogne-sur-Mer to Bicske | 799.65 mi (1,286.91 km) |
| Boulogne-sur-Mer to Bonyhad | 830.12 mi (1,335.95 km) |
| Boulogne-sur-Mer to Budakalasz | 813.94 mi (1,309.90 km) |
| Boulogne-sur-Mer to Budakeszi | 811.67 mi (1,306.26 km) |
| Boulogne-sur-Mer to Budaors | 814.32 mi (1,310.52 km) |
| Boulogne-sur-Mer to Budapest | 817.51 mi (1,315.66 km) |
| Boulogne-sur-Mer to Cegled | 858.44 mi (1,381.52 km) |
| Boulogne-sur-Mer to Celldomolk | 742.32 mi (1,194.65 km) |
| Boulogne-sur-Mer to Csomor | 823.88 mi (1,325.90 km) |
