| Santander to Bicaz | 1,466.03 mi (2,359.35 km) |
| Santander to Bistrita | 1,390.88 mi (2,238.41 km) |
| Santander to Blaj | 1,364.32 mi (2,195.66 km) |
| Santander to Bocsa | 1,260.75 mi (2,028.98 km) |
| Santander to Boldesti-Scaeni | 1,472.26 mi (2,369.38 km) |
| Santander to Bolintin Vale | 1,463.96 mi (2,356.02 km) |
| Santander to Borsa | 1,398.96 mi (2,251.41 km) |
| Santander to Botosani | 1,492.32 mi (2,401.66 km) |
| Santander to Brad | 1,310.63 mi (2,109.26 km) |
| Santander to Bragadiru | 1,475.34 mi (2,374.32 km) |
| Santander to Braila | 1,563.65 mi (2,516.46 km) |
| Santander to Brasov | 1,448.06 mi (2,330.44 km) |
| Santander to Breaza | 1,453.27 mi (2,338.81 km) |
| Santander to Bucharest | 1,481.04 mi (2,383.50 km) |
| Santander to Buftea | 1,472.24 mi (2,369.34 km) |
