| Mostoles to Bicaz | 1,554.98 mi (2,502.51 km) |
| Mostoles to Bistrita | 1,482.49 mi (2,385.84 km) |
| Mostoles to Blaj | 1,446.72 mi (2,328.28 km) |
| Mostoles to Bocsa | 1,335.24 mi (2,148.86 km) |
| Mostoles to Boldesti-Scaeni | 1,543.49 mi (2,484.01 km) |
| Mostoles to Bolintin Vale | 1,529.46 mi (2,461.43 km) |
| Mostoles to Borsa | 1,495.45 mi (2,406.69 km) |
| Mostoles to Botosani | 1,588.69 mi (2,556.74 km) |
| Mostoles to Brad | 1,392.90 mi (2,241.66 km) |
| Mostoles to Bragadiru | 1,540.20 mi (2,478.72 km) |
| Mostoles to Braila | 1,637.71 mi (2,635.65 km) |
| Mostoles to Brasov | 1,525.33 mi (2,454.79 km) |
| Mostoles to Breaza | 1,525.92 mi (2,455.73 km) |
| Mostoles to Bucharest | 1,546.56 mi (2,488.95 km) |
| Mostoles to Buftea | 1,539.02 mi (2,476.81 km) |
