| Middlesbrough to Ondokuzmayis | 1,915.65 mi (3,082.94 km) |
| Middlesbrough to Ordu | 2,009.52 mi (3,234.01 km) |
| Middlesbrough to Ortahisar | 2,004.51 mi (3,225.95 km) |
| Middlesbrough to Ortakent | 1,806.01 mi (2,906.49 km) |
| Middlesbrough to Ortaklar | 1,771.67 mi (2,851.23 km) |
| Middlesbrough to Ortakoy | 1,967.46 mi (3,166.32 km) |
| Middlesbrough to Ortakoy | 1,940.03 mi (3,122.18 km) |
| Middlesbrough to Osmaneli | 1,737.37 mi (2,796.03 km) |
| Middlesbrough to Osmaniye | 2,133.81 mi (3,434.03 km) |
| Middlesbrough to Ozdere | 1,751.54 mi (2,818.83 km) |
| Middlesbrough to Palu | 2,196.72 mi (3,535.27 km) |
| Middlesbrough to Pamukkale | 1,827.29 mi (2,940.74 km) |
| Middlesbrough to Patnos | 2,286.38 mi (3,679.57 km) |
| Middlesbrough to Pazar | 1,981.51 mi (3,188.93 km) |
| Middlesbrough to Pazarcik | 2,153.19 mi (3,465.22 km) |
