| Ortahisar to Orthez | 1,872.13 mi (3,012.90 km) |
| Ortahisar to Orvault | 1,919.67 mi (3,089.41 km) |
| Ortahisar to Osny | 1,768.95 mi (2,846.85 km) |
| Ortahisar to Ostwald | 1,511.10 mi (2,431.89 km) |
| Ortahisar to Ouistreham | 1,874.79 mi (3,017.18 km) |
| Ortahisar to Oullins | 1,604.43 mi (2,582.08 km) |
| Ortahisar to Outreau | 1,814.90 mi (2,920.80 km) |
| Ortahisar to Oyonnax | 1,569.40 mi (2,525.70 km) |
| Ortahisar to Ozoir-la-Ferriere | 1,737.56 mi (2,796.34 km) |
| Ortahisar to Pace | 1,932.40 mi (3,109.90 km) |
| Ortahisar to Palaiseau | 1,756.09 mi (2,826.16 km) |
| Ortahisar to Pamiers | 1,753.14 mi (2,821.41 km) |
| Ortahisar to Panazol | 1,773.02 mi (2,853.40 km) |
| Ortahisar to Pantin | 1,751.62 mi (2,818.95 km) |
| Ortahisar to Paray-le-Monial | 1,643.85 mi (2,645.51 km) |
