| Constanta to Boekel | 1,174.95 mi (1,890.90 km) |
| Constanta to Bolsward | 1,213.29 mi (1,952.59 km) |
| Constanta to Borger | 1,161.02 mi (1,868.48 km) |
| Constanta to Borne | 1,146.79 mi (1,845.58 km) |
| Constanta to Boskoop | 1,225.85 mi (1,972.82 km) |
| Constanta to Boxmeer | 1,164.36 mi (1,873.85 km) |
| Constanta to Boxtel | 1,188.34 mi (1,912.44 km) |
| Constanta to Breda | 1,211.45 mi (1,949.64 km) |
| Constanta to Breukelen | 1,213.77 mi (1,953.37 km) |
| Constanta to Brielle | 1,242.35 mi (1,999.37 km) |
| Constanta to Bronkhorst | 1,164.28 mi (1,873.73 km) |
| Constanta to Brummen | 1,165.62 mi (1,875.88 km) |
| Constanta to Brunssum | 1,150.09 mi (1,850.88 km) |
| Constanta to Bunnik | 1,201.85 mi (1,934.19 km) |
| Constanta to Burgum | 1,198.71 mi (1,929.13 km) |
