| Constanta to Azcoitia | 1,538.77 mi (2,476.41 km) |
| Constanta to Azpeitia | 1,536.51 mi (2,472.77 km) |
| Constanta to Azuqueca de Henares | 1,636.96 mi (2,634.43 km) |
| Constanta to Badajoz | 1,862.67 mi (2,997.68 km) |
| Constanta to Badalona | 1,345.71 mi (2,165.71 km) |
| Constanta to Baena | 1,766.56 mi (2,843.00 km) |
| Constanta to Baeza | 1,713.79 mi (2,758.08 km) |
| Constanta to Bailen | 1,725.77 mi (2,777.36 km) |
| Constanta to Balaguer | 1,409.40 mi (2,268.22 km) |
| Constanta to Banolas | 1,306.25 mi (2,102.21 km) |
| Constanta to Baranain | 1,513.33 mi (2,435.47 km) |
| Constanta to Barbadanes | 1,828.72 mi (2,943.05 km) |
| Constanta to Barbastro | 1,438.36 mi (2,314.82 km) |
| Constanta to Barcelona | 1,349.53 mi (2,171.86 km) |
| Constanta to Bargas | 1,688.98 mi (2,718.15 km) |
