| Gahanna to Ashtabula (Ohio) | 167.47 mi (269.51 km) |
| Gahanna to Ashwaubenon (Wisconsin) | 407.42 mi (655.68 km) |
| Gahanna to Aspen Hill (Maryland) | 314.56 mi (506.23 km) |
| Gahanna to Astoria (Oregon) | 2,084.55 mi (3,354.76 km) |
| Gahanna to Atascadero (California) | 2,074.09 mi (3,337.93 km) |
| Gahanna to Atascocita (Texas) | 982.51 mi (1,581.19 km) |
| Gahanna to Atchison (Kansas) | 651.82 mi (1,049.00 km) |
| Gahanna to Athens (Alabama) | 425.82 mi (685.29 km) |
| Gahanna to Athens (Georgia) | 420.62 mi (676.92 km) |
| Gahanna to Athens (Ohio) | 63.10 mi (101.55 km) |
| Gahanna to Athens (Tennessee) | 329.60 mi (530.45 km) |
| Gahanna to Athens (Texas) | 901.70 mi (1,451.15 km) |
| Gahanna to Atlanta (Georgia) | 441.15 mi (709.95 km) |
| Gahanna to Atlantic Beach (Florida) | 674.32 mi (1,085.21 km) |
| Gahanna to Atlantic City (New Jersey) | 449.16 mi (722.86 km) |
