| Gretna to Brandenburg | 5,095.07 mi (8,199.72 km) |
| Gretna to Brandis | 5,133.43 mi (8,261.46 km) |
| Gretna to Braunfels | 4,995.55 mi (8,039.55 km) |
| Gretna to Braunsbedra | 5,108.16 mi (8,220.78 km) |
| Gretna to Braunschweig | 5,024.36 mi (8,085.93 km) |
| Gretna to Breckerfeld | 4,937.23 mi (7,945.70 km) |
| Gretna to Breisach am Rhein | 5,038.12 mi (8,108.07 km) |
| Gretna to Bremen | 4,934.96 mi (7,942.05 km) |
| Gretna to Bremerhaven | 4,913.13 mi (7,906.91 km) |
| Gretna to Bremervorde | 4,935.53 mi (7,942.96 km) |
| Gretna to Bretten | 5,053.56 mi (8,132.92 km) |
| Gretna to Bretzfeld | 5,078.39 mi (8,172.87 km) |
| Gretna to Brieselang | 5,106.88 mi (8,218.72 km) |
| Gretna to Brilon | 4,976.37 mi (8,008.70 km) |
| Gretna to Bruchhausen-Vilsen | 4,949.90 mi (7,966.10 km) |
