| Osuna to Bicaz | 1,719.46 mi (2,767.21 km) |
| Osuna to Bistrita | 1,649.68 mi (2,654.90 km) |
| Osuna to Blaj | 1,607.79 mi (2,587.48 km) |
| Osuna to Bocsa | 1,492.17 mi (2,401.42 km) |
| Osuna to Boldesti-Scaeni | 1,695.02 mi (2,727.88 km) |
| Osuna to Bolintin Vale | 1,676.81 mi (2,698.56 km) |
| Osuna to Borsa | 1,665.90 mi (2,681.01 km) |
| Osuna to Botosani | 1,758.07 mi (2,829.35 km) |
| Osuna to Brad | 1,554.59 mi (2,501.88 km) |
| Osuna to Bragadiru | 1,686.91 mi (2,714.81 km) |
| Osuna to Braila | 1,790.26 mi (2,881.14 km) |
| Osuna to Brasov | 1,681.62 mi (2,706.31 km) |
| Osuna to Breaza | 1,678.75 mi (2,701.69 km) |
| Osuna to Bucharest | 1,693.69 mi (2,725.73 km) |
| Osuna to Buftea | 1,687.21 mi (2,715.31 km) |
