| Gahanna to Boppard | 4,189.16 mi (6,741.80 km) |
| Gahanna to Borgentreich | 4,208.29 mi (6,772.59 km) |
| Gahanna to Borgholzhausen | 4,155.08 mi (6,686.95 km) |
| Gahanna to Borken | 4,109.57 mi (6,613.72 km) |
| Gahanna to Borna | 4,345.33 mi (6,993.13 km) |
| Gahanna to Bornheim | 4,149.23 mi (6,677.54 km) |
| Gahanna to Bosel | 4,113.15 mi (6,619.47 km) |
| Gahanna to Bottrop | 4,121.51 mi (6,632.92 km) |
| Gahanna to Bovenden | 4,232.75 mi (6,811.95 km) |
| Gahanna to Brackenheim | 4,285.50 mi (6,896.84 km) |
| Gahanna to Brake | 4,122.18 mi (6,634.01 km) |
| Gahanna to Brakel | 4,200.79 mi (6,760.52 km) |
| Gahanna to Bramsche | 4,133.55 mi (6,652.31 km) |
| Gahanna to Brand | 4,117.04 mi (6,625.73 km) |
| Gahanna to Brand-Erbisdorf | 4,384.76 mi (7,056.58 km) |
