| Gahanna to Port Chester (New York) | 487.51 mi (784.57 km) |
| Gahanna to Port Hueneme (California) | 2,028.74 mi (3,264.94 km) |
| Gahanna to Port Huron (Michigan) | 205.49 mi (330.70 km) |
| Gahanna to Port Lavaca (Texas) | 1,110.05 mi (1,786.46 km) |
| Gahanna to Port Neches (Texas) | 934.10 mi (1,503.29 km) |
| Gahanna to Port Orange (Florida) | 761.52 mi (1,225.55 km) |
| Gahanna to Port Orchard (Washington) | 2,027.89 mi (3,263.58 km) |
| Gahanna to Port Royal (South Carolina) | 543.38 mi (874.48 km) |
| Gahanna to Port Salerno (Florida) | 902.94 mi (1,453.14 km) |
| Gahanna to Port St. John (Florida) | 806.49 mi (1,297.92 km) |
| Gahanna to Port St. Lucie (Florida) | 891.95 mi (1,435.46 km) |
| Gahanna to Port Washington (New York) | 486.15 mi (782.39 km) |
| Gahanna to Port Washington (Wisconsin) | 347.70 mi (559.58 km) |
| Gahanna to Port Wentworth (Georgia) | 548.89 mi (883.35 km) |
| Gahanna to Portage (Indiana) | 250.11 mi (402.51 km) |
