| Gaithersburg to Berg en Dal | 3,896.53 mi (6,270.86 km) |
| Gaithersburg to Bergambacht | 3,848.69 mi (6,193.86 km) |
| Gaithersburg to Bergeijk | 3,887.17 mi (6,255.79 km) |
| Gaithersburg to Bergen | 3,827.62 mi (6,159.96 km) |
| Gaithersburg to Bergen | 3,907.53 mi (6,288.57 km) |
| Gaithersburg to Bergen op Zoom | 3,840.46 mi (6,180.63 km) |
| Gaithersburg to Best | 3,883.92 mi (6,250.57 km) |
| Gaithersburg to Beuningen | 3,889.30 mi (6,259.22 km) |
| Gaithersburg to Beverwijk | 3,829.58 mi (6,163.11 km) |
| Gaithersburg to Bilthoven | 3,860.12 mi (6,212.26 km) |
| Gaithersburg to Bladel | 3,880.54 mi (6,245.12 km) |
| Gaithersburg to Blaricum | 3,858.60 mi (6,209.82 km) |
| Gaithersburg to Blerick | 3,917.73 mi (6,304.97 km) |
| Gaithersburg to Bloemendaal | 3,829.69 mi (6,163.29 km) |
| Gaithersburg to Bodegraven | 3,843.61 mi (6,185.69 km) |
