| Gahanna to Town and Country (Missouri) | 418.09 mi (672.85 km) |
| Gahanna to Towson (Maryland) | 334.70 mi (538.65 km) |
| Gahanna to Tracy (California) | 2,065.51 mi (3,324.12 km) |
| Gahanna to Traverse City (Michigan) | 355.38 mi (571.93 km) |
| Gahanna to Travilah (Maryland) | 306.60 mi (493.42 km) |
| Gahanna to Trenton (Michigan) | 147.09 mi (236.71 km) |
| Gahanna to Trenton (New Jersey) | 427.99 mi (688.78 km) |
| Gahanna to Trenton (Ohio) | 92.90 mi (149.51 km) |
| Gahanna to Triangle (Virginia) | 313.49 mi (504.51 km) |
| Gahanna to Trinity (Florida) | 818.44 mi (1,317.15 km) |
| Gahanna to Trophy Club (Texas) | 930.03 mi (1,496.74 km) |
| Gahanna to Trotwood (Ohio) | 78.65 mi (126.58 km) |
| Gahanna to Troutdale (Oregon) | 2,019.39 mi (3,249.90 km) |
| Gahanna to Troy (Alabama) | 593.98 mi (955.91 km) |
| Gahanna to Troy (Illinois) | 386.12 mi (621.41 km) |
