| Bostonia to Bollullos par del Condado | 5,839.09 mi (9,397.11 km) |
| Bostonia to Bormujos | 5,858.16 mi (9,427.80 km) |
| Bostonia to Brenes | 5,859.00 mi (9,429.15 km) |
| Bostonia to Brunete | 5,815.18 mi (9,358.64 km) |
| Bostonia to Bueu | 5,537.48 mi (8,911.72 km) |
| Bostonia to Bullas | 6,014.56 mi (9,679.50 km) |
| Bostonia to Bunol | 5,988.83 mi (9,638.09 km) |
| Bostonia to Burela de Cabo | 5,539.53 mi (8,915.02 km) |
| Bostonia to Burgos | 5,742.75 mi (9,242.07 km) |
| Bostonia to Burjasot | 6,000.33 mi (9,656.60 km) |
| Bostonia to Burriana | 5,995.45 mi (9,648.74 km) |
| Bostonia to Cabanaquinta | 5,635.22 mi (9,069.01 km) |
| Bostonia to Cabanillas del Campo | 5,835.67 mi (9,391.61 km) |
| Bostonia to Cabra | 5,924.10 mi (9,533.91 km) |
| Bostonia to Caceres | 5,755.71 mi (9,262.93 km) |
