| Bostonia to Benisa | 6,054.95 mi (9,744.50 km) |
| Bostonia to Berga | 5,968.73 mi (9,605.74 km) |
| Bostonia to Berja | 6,014.62 mi (9,679.60 km) |
| Bostonia to Bermeo | 5,733.82 mi (9,227.69 km) |
| Bostonia to Berriozar | 5,800.52 mi (9,335.03 km) |
| Bostonia to Betanzos | 5,521.93 mi (8,886.69 km) |
| Bostonia to Betera | 5,994.19 mi (9,646.72 km) |
| Bostonia to Bilbao | 5,733.32 mi (9,226.88 km) |
| Bostonia to Binefar | 5,921.24 mi (9,529.31 km) |
| Bostonia to Binisalem | 6,120.04 mi (9,849.25 km) |
| Bostonia to Blanes | 6,024.46 mi (9,695.42 km) |
| Bostonia to Boadilla del Monte | 5,819.74 mi (9,365.96 km) |
| Bostonia to Boiro | 5,519.19 mi (8,882.28 km) |
| Bostonia to Bolanos de Calatrava | 5,892.68 mi (9,483.36 km) |
| Bostonia to Bollullos de la Mitacion | 5,856.69 mi (9,425.44 km) |
