| Gaithersburg to Aleksandrow Lodzki | 4,407.29 mi (7,092.84 km) |
| Gaithersburg to Andrychow | 4,479.03 mi (7,208.30 km) |
| Gaithersburg to Augustow | 4,464.85 mi (7,185.48 km) |
| Gaithersburg to Banino | 4,286.29 mi (6,898.12 km) |
| Gaithersburg to Barlinek | 4,216.55 mi (6,785.88 km) |
| Gaithersburg to Bartoszyce | 4,374.81 mi (7,040.58 km) |
| Gaithersburg to Bedzin | 4,453.28 mi (7,166.87 km) |
| Gaithersburg to Belchatow | 4,425.67 mi (7,122.42 km) |
| Gaithersburg to Biala Podlaska | 4,537.29 mi (7,302.06 km) |
| Gaithersburg to Bialogard | 4,212.99 mi (6,780.16 km) |
| Gaithersburg to Bialy Kamien | 4,329.19 mi (6,967.16 km) |
| Gaithersburg to Bialystok | 4,496.92 mi (7,237.10 km) |
| Gaithersburg to Bielawa | 4,345.77 mi (6,993.84 km) |
| Gaithersburg to Bielsk Podlaski | 4,512.63 mi (7,262.37 km) |
| Gaithersburg to Bielsko-Biala | 4,468.92 mi (7,192.04 km) |
