| Constanta to Berga | 1,352.17 mi (2,176.11 km) |
| Constanta to Berja | 1,722.37 mi (2,771.89 km) |
| Constanta to Bermeo | 1,555.38 mi (2,503.14 km) |
| Constanta to Berriozar | 1,512.96 mi (2,434.88 km) |
| Constanta to Betanzos | 1,825.25 mi (2,937.46 km) |
| Constanta to Betera | 1,521.36 mi (2,448.39 km) |
| Constanta to Bilbao | 1,567.58 mi (2,522.77 km) |
| Constanta to Binefar | 1,433.28 mi (2,306.64 km) |
| Constanta to Binisalem | 1,355.94 mi (2,182.18 km) |
| Constanta to Blanes | 1,313.27 mi (2,113.51 km) |
| Constanta to Boadilla del Monte | 1,670.66 mi (2,688.67 km) |
| Constanta to Boiro | 1,870.47 mi (3,010.23 km) |
| Constanta to Bolanos de Calatrava | 1,701.10 mi (2,737.66 km) |
| Constanta to Bollullos de la Mitacion | 1,864.90 mi (3,001.26 km) |
| Constanta to Bollullos par del Condado | 1,884.78 mi (3,033.26 km) |
