| Gahanna to Baraboo (Wisconsin) | 426.62 mi (686.58 km) |
| Gahanna to Barberton (Ohio) | 94.90 mi (152.72 km) |
| Gahanna to Bardstown (Kentucky) | 206.54 mi (332.40 km) |
| Gahanna to Barrington (Illinois) | 310.95 mi (500.43 km) |
| Gahanna to Barstow (California) | 1,896.68 mi (3,052.41 km) |
| Gahanna to Bartlesville (Oklahoma) | 743.25 mi (1,196.15 km) |
| Gahanna to Bartlett (Illinois) | 309.57 mi (498.20 km) |
| Gahanna to Bartlett (Tennessee) | 504.15 mi (811.35 km) |
| Gahanna to Bartow (Florida) | 840.78 mi (1,353.11 km) |
| Gahanna to Batavia (Illinois) | 310.89 mi (500.33 km) |
| Gahanna to Batavia (New York) | 317.60 mi (511.13 km) |
| Gahanna to Batesville (Arkansas) | 560.44 mi (901.94 km) |
| Gahanna to Baton Rouge (Louisiana) | 809.14 mi (1,302.19 km) |
| Gahanna to Battle Creek (Michigan) | 199.53 mi (321.11 km) |
| Gahanna to Battle Ground (Washington) | 2,025.49 mi (3,259.71 km) |
