| Gahanna to Security-Widefield (Colorado) | 1,167.22 mi (1,878.46 km) |
| Gahanna to Sedalia (Missouri) | 561.06 mi (902.94 km) |
| Gahanna to Sedro-Woolley (Washington) | 2,009.27 mi (3,233.61 km) |
| Gahanna to Seguin (Texas) | 1,117.03 mi (1,797.69 km) |
| Gahanna to Selden (New York) | 519.20 mi (835.57 km) |
| Gahanna to Selma (Alabama) | 574.60 mi (924.73 km) |
| Gahanna to Selma (California) | 1,992.80 mi (3,207.10 km) |
| Gahanna to Selma (Texas) | 1,132.10 mi (1,821.94 km) |
| Gahanna to Seminole (Florida) | 841.68 mi (1,354.55 km) |
| Gahanna to Seven Hills (Ohio) | 112.48 mi (181.03 km) |
| Gahanna to Seven Oaks (South Carolina) | 423.74 mi (681.95 km) |
| Gahanna to Severn (Maryland) | 334.09 mi (537.67 km) |
| Gahanna to Severna Park (Maryland) | 341.47 mi (549.54 km) |
| Gahanna to Sevierville (Tennessee) | 288.46 mi (464.23 km) |
| Gahanna to Seymour (Indiana) | 177.76 mi (286.08 km) |
