| Gahanna to Portage (Michigan) | 206.69 mi (332.64 km) |
| Gahanna to Portage (Wisconsin) | 418.07 mi (672.82 km) |
| Gahanna to Portales (New Mexico) | 1,196.12 mi (1,924.97 km) |
| Gahanna to Porterville (California) | 1,973.37 mi (3,175.84 km) |
| Gahanna to Portland (Maine) | 694.58 mi (1,117.81 km) |
| Gahanna to Portland (Oregon) | 2,031.69 mi (3,269.69 km) |
| Gahanna to Portland (Tennessee) | 309.20 mi (497.61 km) |
| Gahanna to Portland (Texas) | 1,175.75 mi (1,892.19 km) |
| Gahanna to Portsmouth (New Hampshire) | 658.26 mi (1,059.37 km) |
| Gahanna to Portsmouth (Ohio) | 87.94 mi (141.53 km) |
| Gahanna to Portsmouth (Virginia) | 414.97 mi (667.84 km) |
| Gahanna to Post Falls (Idaho) | 1,762.26 mi (2,836.09 km) |
| Gahanna to Potomac (Maryland) | 310.08 mi (499.03 km) |
| Gahanna to Potomac Park (California) | 1,986.01 mi (3,196.17 km) |
| Gahanna to Pottstown (Pennsylvania) | 381.54 mi (614.03 km) |
