| Bethesda to Barberino di Mugello | 4,356.97 mi (7,011.87 km) |
| Bethesda to Barcellona-Pozzo di Gotto | 4,744.70 mi (7,635.86 km) |
| Bethesda to Bareggio | 4,211.41 mi (6,777.61 km) |
| Bethesda to Barga | 4,321.64 mi (6,955.00 km) |
| Bethesda to Bari | 4,704.80 mi (7,571.65 km) |
| Bethesda to Barletta | 4,672.18 mi (7,519.15 km) |
| Bethesda to Baronissi | 4,627.11 mi (7,446.61 km) |
| Bethesda to Barrafranca | 4,728.15 mi (7,609.22 km) |
| Bethesda to Bassano del Grappa | 4,318.84 mi (6,950.50 km) |
| Bethesda to Battipaglia | 4,641.32 mi (7,469.48 km) |
| Bethesda to Beinasco | 4,165.08 mi (6,703.05 km) |
| Bethesda to Bellinzago Novarese | 4,192.66 mi (6,747.43 km) |
| Bethesda to Belluno | 4,326.67 mi (6,963.10 km) |
| Bethesda to Belmonte Mezzagno | 4,664.99 mi (7,507.58 km) |
| Bethesda to Belpasso | 4,755.73 mi (7,653.62 km) |
