| Gahanna to Blue Island (Illinois) | 275.87 mi (443.97 km) |
| Gahanna to Blue Springs (Missouri) | 611.65 mi (984.35 km) |
| Gahanna to Bluffdale (Utah) | 1,526.56 mi (2,456.77 km) |
| Gahanna to Bluffton (Indiana) | 131.25 mi (211.23 km) |
| Gahanna to Bluffton (South Carolina) | 550.35 mi (885.71 km) |
| Gahanna to Blythe (California) | 1,800.85 mi (2,898.19 km) |
| Gahanna to Blytheville (Arkansas) | 476.23 mi (766.41 km) |
| Gahanna to Boca Raton (Florida) | 956.33 mi (1,539.07 km) |
| Gahanna to Boerne (Texas) | 1,140.97 mi (1,836.21 km) |
| Gahanna to Bogalusa (Louisiana) | 749.94 mi (1,206.91 km) |
| Gahanna to Boiling Springs (South Carolina) | 347.49 mi (559.23 km) |
| Gahanna to Boise (Idaho) | 1,724.17 mi (2,774.78 km) |
| Gahanna to Bolingbrook (Illinois) | 296.87 mi (477.77 km) |
| Gahanna to Bolivar (Missouri) | 591.82 mi (952.45 km) |
| Gahanna to Bon Air (Virginia) | 333.48 mi (536.68 km) |
