| Boadilla del Monte to Brownsburg (Indiana) | 4,184.52 mi (6,734.34 km) |
| Boadilla del Monte to Brownsville (Florida) | 4,397.57 mi (7,077.20 km) |
| Boadilla del Monte to Brownsville (Texas) | 5,253.38 mi (8,454.50 km) |
| Boadilla del Monte to Brownwood (Texas) | 5,081.98 mi (8,178.66 km) |
| Boadilla del Monte to Brunswick (Georgia) | 4,258.03 mi (6,852.63 km) |
| Boadilla del Monte to Brunswick (Ohio) | 3,927.45 mi (6,320.61 km) |
| Boadilla del Monte to Brushy Creek (Texas) | 5,074.65 mi (8,166.85 km) |
| Boadilla del Monte to Bryan (Texas) | 5,004.04 mi (8,053.22 km) |
| Boadilla del Monte to Bryant (Arkansas) | 4,660.92 mi (7,501.02 km) |
| Boadilla del Monte to Bryn Mawr-Skyway (Washington) | 5,285.66 mi (8,506.45 km) |
| Boadilla del Monte to Buckeye (Arizona) | 5,611.64 mi (9,031.06 km) |
| Boadilla del Monte to Buckhall (Virginia) | 3,800.49 mi (6,116.29 km) |
| Boadilla del Monte to Bucyrus (Ohio) | 3,994.78 mi (6,428.98 km) |
| Boadilla del Monte to Buda (Texas) | 5,098.29 mi (8,204.90 km) |
| Boadilla del Monte to Buena Park (California) | 5,811.38 mi (9,352.51 km) |
