| Piqua to Orthez | 4,114.50 mi (6,621.65 km) |
| Piqua to Orvault | 3,958.96 mi (6,371.32 km) |
| Piqua to Osny | 4,056.62 mi (6,528.50 km) |
| Piqua to Ostwald | 4,299.23 mi (6,918.95 km) |
| Piqua to Ouistreham | 3,955.77 mi (6,366.19 km) |
| Piqua to Oullins | 4,279.52 mi (6,887.23 km) |
| Piqua to Outreau | 3,987.71 mi (6,417.60 km) |
| Piqua to Oyonnax | 4,295.97 mi (6,913.69 km) |
| Piqua to Ozoir-la-Ferriere | 4,090.43 mi (6,582.90 km) |
| Piqua to Pace | 3,926.60 mi (6,319.25 km) |
| Piqua to Palaiseau | 4,074.83 mi (6,557.81 km) |
| Piqua to Pamiers | 4,231.74 mi (6,810.32 km) |
| Piqua to Panazol | 4,127.99 mi (6,643.36 km) |
| Piqua to Pantin | 4,075.42 mi (6,558.76 km) |
| Piqua to Paray-le-Monial | 4,225.68 mi (6,800.57 km) |
