| Chillicothe to Orthez | 4,089.65 mi (6,581.66 km) |
| Chillicothe to Orvault | 3,939.50 mi (6,340.01 km) |
| Chillicothe to Osny | 4,041.85 mi (6,504.73 km) |
| Chillicothe to Ostwald | 4,286.69 mi (6,898.75 km) |
| Chillicothe to Ouistreham | 3,940.20 mi (6,341.15 km) |
| Chillicothe to Oullins | 4,261.16 mi (6,857.67 km) |
| Chillicothe to Outreau | 3,975.33 mi (6,397.68 km) |
| Chillicothe to Oyonnax | 4,278.88 mi (6,886.19 km) |
| Chillicothe to Ozoir-la-Ferriere | 4,075.53 mi (6,558.93 km) |
| Chillicothe to Pace | 3,908.47 mi (6,290.07 km) |
| Chillicothe to Palaiseau | 4,059.62 mi (6,533.32 km) |
| Chillicothe to Pamiers | 4,207.71 mi (6,771.66 km) |
| Chillicothe to Panazol | 4,107.84 mi (6,610.94 km) |
| Chillicothe to Pantin | 4,060.57 mi (6,534.86 km) |
| Chillicothe to Paray-le-Monial | 4,208.01 mi (6,772.13 km) |
