| Onex to Bollullos par del Condado | 891.20 mi (1,434.24 km) |
| Onex to Bormujos | 872.25 mi (1,403.75 km) |
| Onex to Brenes | 855.50 mi (1,376.79 km) |
| Onex to Brunete | 645.16 mi (1,038.28 km) |
| Onex to Bueu | 782.09 mi (1,258.66 km) |
| Onex to Bullas | 688.04 mi (1,107.29 km) |
| Onex to Bunol | 582.97 mi (938.20 km) |
| Onex to Burela de Cabo | 682.37 mi (1,098.17 km) |
| Onex to Burgos | 552.27 mi (888.79 km) |
| Onex to Burjasot | 566.55 mi (911.78 km) |
| Onex to Burriana | 535.27 mi (861.43 km) |
| Onex to Cabanaquinta | 611.88 mi (984.73 km) |
| Onex to Cabanillas del Campo | 604.54 mi (972.92 km) |
| Onex to Cabra | 809.03 mi (1,302.02 km) |
| Onex to Caceres | 781.63 mi (1,257.92 km) |
