| Gahanna to Central Point (Oregon) | 2,068.96 mi (3,329.67 km) |
| Gahanna to Centralia (Illinois) | 350.44 mi (563.98 km) |
| Gahanna to Centralia (Washington) | 2,043.23 mi (3,288.27 km) |
| Gahanna to Centreville (Virginia) | 300.82 mi (484.12 km) |
| Gahanna to Ceres (California) | 2,042.43 mi (3,286.97 km) |
| Gahanna to Cerritos (California) | 1,976.47 mi (3,180.82 km) |
| Gahanna to Chalco (Nebraska) | 700.08 mi (1,126.67 km) |
| Gahanna to Chalmette (Louisiana) | 803.57 mi (1,293.22 km) |
| Gahanna to Chambersburg (Pennsylvania) | 275.78 mi (443.83 km) |
| Gahanna to Chamblee (Georgia) | 431.63 mi (694.64 km) |
| Gahanna to Champaign (Illinois) | 286.07 mi (460.39 km) |
| Gahanna to Champlin (Minnesota) | 641.85 mi (1,032.96 km) |
| Gahanna to Chandler (Arizona) | 1,664.64 mi (2,678.97 km) |
| Gahanna to Chanhassen (Minnesota) | 638.68 mi (1,027.86 km) |
| Gahanna to Channahon (Illinois) | 298.51 mi (480.40 km) |
