| Gahanna to The Villages (Florida) | 770.04 mi (1,239.26 km) |
| Gahanna to The Woodlands (Texas) | 985.30 mi (1,585.68 km) |
| Gahanna to Thibodaux (Louisiana) | 837.34 mi (1,347.56 km) |
| Gahanna to Thomasville (Georgia) | 637.75 mi (1,026.36 km) |
| Gahanna to Thomasville (North Carolina) | 323.93 mi (521.32 km) |
| Gahanna to Thonotosassa (Florida) | 828.29 mi (1,333.01 km) |
| Gahanna to Thornton (Colorado) | 1,166.15 mi (1,876.74 km) |
| Gahanna to Thousand Oaks (California) | 2,010.61 mi (3,235.76 km) |
| Gahanna to Three Lakes (Florida) | 1,003.93 mi (1,615.67 km) |
| Gahanna to Tiffin (Ohio) | 77.22 mi (124.27 km) |
| Gahanna to Tifton (Georgia) | 592.76 mi (953.96 km) |
| Gahanna to Tigard (Oregon) | 2,038.70 mi (3,280.97 km) |
| Gahanna to Tillmans Corner (Alabama) | 718.43 mi (1,156.20 km) |
| Gahanna to Timberlake (Virginia) | 270.25 mi (434.92 km) |
| Gahanna to Timberlane (Louisiana) | 809.39 mi (1,302.59 km) |
