| Ordu to Orthez | 1,967.13 mi (3,165.79 km) |
| Ordu to Orvault | 1,984.41 mi (3,193.60 km) |
| Ordu to Osny | 1,816.88 mi (2,923.99 km) |
| Ordu to Ostwald | 1,557.49 mi (2,506.54 km) |
| Ordu to Ouistreham | 1,922.45 mi (3,093.89 km) |
| Ordu to Oullins | 1,681.11 mi (2,705.49 km) |
| Ordu to Outreau | 1,848.86 mi (2,975.45 km) |
| Ordu to Oyonnax | 1,640.57 mi (2,640.24 km) |
| Ordu to Ozoir-la-Ferriere | 1,787.50 mi (2,876.70 km) |
| Ordu to Pace | 1,990.07 mi (3,202.71 km) |
| Ordu to Palaiseau | 1,806.94 mi (2,907.99 km) |
| Ordu to Pamiers | 1,852.28 mi (2,980.96 km) |
| Ordu to Panazol | 1,849.34 mi (2,976.23 km) |
| Ordu to Pantin | 1,800.72 mi (2,897.98 km) |
| Ordu to Paray-le-Monial | 1,714.00 mi (2,758.42 km) |
