| Gahanna to Blumberg | 4,307.45 mi (6,932.17 km) |
| Gahanna to Bobenheim-Roxheim | 4,240.79 mi (6,824.89 km) |
| Gahanna to Bobingen | 4,382.94 mi (7,053.66 km) |
| Gahanna to Boblingen | 4,297.22 mi (6,915.71 km) |
| Gahanna to Bocholt | 4,100.08 mi (6,598.44 km) |
| Gahanna to Bochum | 4,134.05 mi (6,653.10 km) |
| Gahanna to Bockenem | 4,226.32 mi (6,801.61 km) |
| Gahanna to Bockhorn | 4,102.97 mi (6,603.10 km) |
| Gahanna to Bogen | 4,431.91 mi (7,132.46 km) |
| Gahanna to Bohl-Iggelheim | 4,245.92 mi (6,833.15 km) |
| Gahanna to Bohmte | 4,147.06 mi (6,674.05 km) |
| Gahanna to Boizenburg | 4,202.26 mi (6,762.89 km) |
| Gahanna to Bonen | 4,150.94 mi (6,680.30 km) |
| Gahanna to Bonn | 4,153.74 mi (6,684.80 km) |
| Gahanna to Bopfingen | 4,343.71 mi (6,990.53 km) |
