| Gahanna to Oswaldtwistle | 3,702.65 mi (5,958.84 km) |
| Gahanna to Oswestry | 3,698.24 mi (5,951.74 km) |
| Gahanna to Otley | 3,725.74 mi (5,996.00 km) |
| Gahanna to Ovenden | 3,722.37 mi (5,990.58 km) |
| Gahanna to Oxford | 3,796.77 mi (6,110.31 km) |
| Gahanna to Oxted | 3,859.65 mi (6,211.51 km) |
| Gahanna to Padbury | 3,803.09 mi (6,120.49 km) |
| Gahanna to Padiham | 3,704.50 mi (5,961.82 km) |
| Gahanna to Paignton | 3,738.12 mi (6,015.93 km) |
| Gahanna to Paisley | 3,579.29 mi (5,760.32 km) |
| Gahanna to Palmers Green | 3,845.74 mi (6,189.12 km) |
| Gahanna to Parkstone | 3,796.52 mi (6,109.90 km) |
| Gahanna to Partick | 3,582.92 mi (5,766.15 km) |
| Gahanna to Patcham | 3,864.72 mi (6,219.66 km) |
| Gahanna to Peebles | 3,629.11 mi (5,840.49 km) |
