| Piqua to Brandenburg | 4,344.10 mi (6,991.15 km) |
| Piqua to Brandis | 4,386.16 mi (7,058.85 km) |
| Piqua to Braunfels | 4,257.23 mi (6,851.36 km) |
| Piqua to Braunsbedra | 4,362.01 mi (7,019.97 km) |
| Piqua to Braunschweig | 4,276.36 mi (6,882.13 km) |
| Piqua to Breckerfeld | 4,197.02 mi (6,754.46 km) |
| Piqua to Breisach am Rhein | 4,312.16 mi (6,939.75 km) |
| Piqua to Bremen | 4,185.97 mi (6,736.67 km) |
| Piqua to Bremerhaven | 4,162.67 mi (6,699.17 km) |
| Piqua to Bremervorde | 4,184.71 mi (6,734.65 km) |
| Piqua to Bretten | 4,321.16 mi (6,954.24 km) |
| Piqua to Bretzfeld | 4,344.20 mi (6,991.32 km) |
| Piqua to Brieselang | 4,354.79 mi (7,008.35 km) |
| Piqua to Brilon | 4,234.19 mi (6,814.26 km) |
| Piqua to Bruchhausen-Vilsen | 4,201.61 mi (6,761.84 km) |