| Osuna to Belvedere Marittimo | 1,144.12 mi (1,841.29 km) |
| Osuna to Benevento | 1,095.76 mi (1,763.45 km) |
| Osuna to Bergamo | 960.03 mi (1,545.02 km) |
| Osuna to Bernalda | 1,189.82 mi (1,914.83 km) |
| Osuna to Bertinoro | 1,018.66 mi (1,639.38 km) |
| Osuna to Besana in Brianza | 944.52 mi (1,520.06 km) |
| Osuna to Besozzo | 925.75 mi (1,489.86 km) |
| Osuna to Biancavilla | 1,093.65 mi (1,760.05 km) |
| Osuna to Biassono | 941.33 mi (1,514.93 km) |
| Osuna to Bibbiano | 958.60 mi (1,542.72 km) |
| Osuna to Bibbiena | 992.60 mi (1,597.44 km) |
| Osuna to Biella | 890.82 mi (1,433.63 km) |
| Osuna to Bisceglie | 1,185.55 mi (1,907.95 km) |
| Osuna to Bisignano | 1,166.15 mi (1,876.74 km) |
| Osuna to Bitetto | 1,196.70 mi (1,925.90 km) |
