| Prestonpans to Ondokuzmayis | 2,003.24 mi (3,223.91 km) |
| Prestonpans to Ordu | 2,095.60 mi (3,372.55 km) |
| Prestonpans to Ortahisar | 2,099.27 mi (3,378.45 km) |
| Prestonpans to Ortakent | 1,912.74 mi (3,078.25 km) |
| Prestonpans to Ortaklar | 1,877.21 mi (3,021.07 km) |
| Prestonpans to Ortakoy | 2,063.16 mi (3,320.33 km) |
| Prestonpans to Ortakoy | 2,031.24 mi (3,268.96 km) |
| Prestonpans to Osmaneli | 1,835.86 mi (2,954.53 km) |
| Prestonpans to Osmaniye | 2,229.17 mi (3,587.51 km) |
| Prestonpans to Ozdere | 1,857.36 mi (2,989.13 km) |
| Prestonpans to Palu | 2,284.29 mi (3,676.21 km) |
| Prestonpans to Pamukkale | 1,930.77 mi (3,107.27 km) |
| Prestonpans to Patnos | 2,368.90 mi (3,812.38 km) |
| Prestonpans to Pazar | 2,071.27 mi (3,333.39 km) |
| Prestonpans to Pazarcik | 2,246.49 mi (3,615.38 km) |
