| Gaithersburg to Beelitz | 4,157.31 mi (6,690.54 km) |
| Gaithersburg to Beilngries | 4,198.93 mi (6,757.53 km) |
| Gaithersburg to Bellheim | 4,064.69 mi (6,541.48 km) |
| Gaithersburg to Belm | 3,970.23 mi (6,389.47 km) |
| Gaithersburg to Belzig | 4,146.05 mi (6,672.43 km) |
| Gaithersburg to Bendorf | 4,000.31 mi (6,437.88 km) |
| Gaithersburg to Bensheim | 4,064.55 mi (6,541.26 km) |
| Gaithersburg to Berching | 4,195.47 mi (6,751.96 km) |
| Gaithersburg to Bergen | 4,026.11 mi (6,479.39 km) |
| Gaithersburg to Bergen | 4,108.02 mi (6,611.21 km) |
| Gaithersburg to Bergheim | 3,948.49 mi (6,354.48 km) |
| Gaithersburg to Bergisch Gladbach | 3,966.96 mi (6,384.20 km) |
| Gaithersburg to Bergkamen | 3,969.57 mi (6,388.41 km) |
| Gaithersburg to Bergneustadt | 3,986.48 mi (6,415.61 km) |
| Gaithersburg to Berlin | 4,164.94 mi (6,702.82 km) |
