| Gahanna to Brown Deer (Wisconsin) | 342.07 mi (550.50 km) |
| Gahanna to Brownsburg (Indiana) | 186.92 mi (300.82 km) |
| Gahanna to Brownsville (Florida) | 992.94 mi (1,597.99 km) |
| Gahanna to Brownsville (Texas) | 1,282.62 mi (2,064.17 km) |
| Gahanna to Brownwood (Texas) | 1,066.89 mi (1,716.99 km) |
| Gahanna to Brunswick (Georgia) | 618.48 mi (995.35 km) |
| Gahanna to Brunswick (Ohio) | 100.58 mi (161.87 km) |
| Gahanna to Brushy Creek (Texas) | 1,063.34 mi (1,711.28 km) |
| Gahanna to Bryan (Texas) | 997.21 mi (1,604.86 km) |
| Gahanna to Bryant (Arkansas) | 647.12 mi (1,041.43 km) |
| Gahanna to Bryn Mawr-Skyway (Washington) | 2,008.29 mi (3,232.03 km) |
| Gahanna to Buckeye (Arizona) | 1,701.99 mi (2,739.09 km) |
| Gahanna to Buckhall (Virginia) | 302.86 mi (487.41 km) |
| Gahanna to Bucyrus (Ohio) | 54.21 mi (87.25 km) |
| Gahanna to Buda (Texas) | 1,088.64 mi (1,752.00 km) |
