| Sinop to Orthez | 1,810.96 mi (2,914.47 km) |
| Sinop to Orvault | 1,825.82 mi (2,938.37 km) |
| Sinop to Osny | 1,658.32 mi (2,668.81 km) |
| Sinop to Ostwald | 1,398.90 mi (2,251.32 km) |
| Sinop to Ouistreham | 1,763.92 mi (2,838.75 km) |
| Sinop to Oullins | 1,523.25 mi (2,451.43 km) |
| Sinop to Outreau | 1,691.03 mi (2,721.45 km) |
| Sinop to Oyonnax | 1,482.36 mi (2,385.63 km) |
| Sinop to Ozoir-la-Ferriere | 1,628.88 mi (2,621.43 km) |
| Sinop to Pace | 1,831.39 mi (2,947.34 km) |
| Sinop to Palaiseau | 1,648.30 mi (2,652.69 km) |
| Sinop to Pamiers | 1,696.86 mi (2,730.83 km) |
| Sinop to Panazol | 1,691.34 mi (2,721.95 km) |
| Sinop to Pantin | 1,642.12 mi (2,642.74 km) |
| Sinop to Paray-le-Monial | 1,555.70 mi (2,503.65 km) |
