| Cincinnati to Orthez | 4,164.67 mi (6,702.38 km) |
| Cincinnati to Orvault | 4,012.22 mi (6,457.04 km) |
| Cincinnati to Osny | 4,112.39 mi (6,618.25 km) |
| Cincinnati to Ostwald | 4,356.14 mi (7,010.53 km) |
| Cincinnati to Ouistreham | 4,011.12 mi (6,455.28 km) |
| Cincinnati to Oullins | 4,333.41 mi (6,973.95 km) |
| Cincinnati to Outreau | 4,044.68 mi (6,509.28 km) |
| Cincinnati to Oyonnax | 4,350.55 mi (7,001.53 km) |
| Cincinnati to Ozoir-la-Ferriere | 4,146.13 mi (6,672.56 km) |
| Cincinnati to Pace | 3,980.59 mi (6,406.14 km) |
| Cincinnati to Palaiseau | 4,130.37 mi (6,647.20 km) |
| Cincinnati to Pamiers | 4,282.40 mi (6,891.86 km) |
| Cincinnati to Panazol | 4,180.89 mi (6,728.49 km) |
| Cincinnati to Pantin | 4,131.15 mi (6,648.45 km) |
| Cincinnati to Paray-le-Monial | 4,279.94 mi (6,887.89 km) |
