| Sanlucar la Mayor to Bicaz | 1,764.90 mi (2,840.33 km) |
| Sanlucar la Mayor to Bistrita | 1,694.35 mi (2,726.79 km) |
| Sanlucar la Mayor to Blaj | 1,653.97 mi (2,661.81 km) |
| Sanlucar la Mayor to Bocsa | 1,539.20 mi (2,477.11 km) |
| Sanlucar la Mayor to Boldesti-Scaeni | 1,743.47 mi (2,805.85 km) |
| Sanlucar la Mayor to Bolintin Vale | 1,726.11 mi (2,777.91 km) |
| Sanlucar la Mayor to Borsa | 1,709.70 mi (2,751.50 km) |
| Sanlucar la Mayor to Botosani | 1,802.25 mi (2,900.44 km) |
| Sanlucar la Mayor to Brad | 1,600.57 mi (2,575.87 km) |
| Sanlucar la Mayor to Bragadiru | 1,736.36 mi (2,794.39 km) |
| Sanlucar la Mayor to Braila | 1,838.57 mi (2,958.89 km) |
| Sanlucar la Mayor to Brasov | 1,729.01 mi (2,782.56 km) |
| Sanlucar la Mayor to Breaza | 1,726.90 mi (2,779.18 km) |
| Sanlucar la Mayor to Bucharest | 1,743.06 mi (2,805.18 km) |
| Sanlucar la Mayor to Buftea | 1,736.36 mi (2,794.40 km) |
