| Gahanna to Tours | 3,999.75 mi (6,436.97 km) |
| Gahanna to Trappes | 4,012.24 mi (6,457.08 km) |
| Gahanna to Treillieres | 3,903.74 mi (6,282.46 km) |
| Gahanna to Trelaze | 3,949.50 mi (6,356.11 km) |
| Gahanna to Trets | 4,342.44 mi (6,988.49 km) |
| Gahanna to Triel-sur-Seine | 4,006.24 mi (6,447.42 km) |
| Gahanna to Troyes | 4,111.94 mi (6,617.52 km) |
| Gahanna to Tulle | 4,112.40 mi (6,618.26 km) |
| Gahanna to Urrugne | 4,020.59 mi (6,470.51 km) |
| Gahanna to Ussel | 4,126.31 mi (6,640.66 km) |
| Gahanna to Vaires-sur-Marne | 4,035.24 mi (6,494.10 km) |
| Gahanna to Valbonne | 4,392.37 mi (7,068.84 km) |
| Gahanna to Valence | 4,256.89 mi (6,850.80 km) |
| Gahanna to Valenciennes | 4,025.58 mi (6,478.54 km) |
| Gahanna to Valentigney | 4,251.65 mi (6,842.37 km) |
