| Piqua to Oswaldtwistle | 3,749.41 mi (6,034.10 km) |
| Piqua to Oswestry | 3,746.18 mi (6,028.89 km) |
| Piqua to Otley | 3,772.14 mi (6,070.67 km) |
| Piqua to Ovenden | 3,769.01 mi (6,065.63 km) |
| Piqua to Oxford | 3,845.44 mi (6,188.64 km) |
| Piqua to Oxted | 3,908.49 mi (6,290.11 km) |
| Piqua to Padbury | 3,851.45 mi (6,198.30 km) |
| Piqua to Padiham | 3,751.18 mi (6,036.95 km) |
| Piqua to Paignton | 3,788.84 mi (6,097.55 km) |
| Piqua to Paisley | 3,624.05 mi (5,832.35 km) |
| Piqua to Palmers Green | 3,894.23 mi (6,267.15 km) |
| Piqua to Parkstone | 3,846.49 mi (6,190.33 km) |
| Piqua to Partick | 3,627.62 mi (5,838.09 km) |
| Piqua to Patcham | 3,914.01 mi (6,298.99 km) |
| Piqua to Peebles | 3,673.82 mi (5,912.45 km) |
