| Gravesend to Ondokuzmayis | 1,810.90 mi (2,914.37 km) |
| Gravesend to Ordu | 1,908.05 mi (3,070.70 km) |
| Gravesend to Ortahisar | 1,879.15 mi (3,024.19 km) |
| Gravesend to Ortakent | 1,644.35 mi (2,646.32 km) |
| Gravesend to Ortaklar | 1,614.35 mi (2,598.05 km) |
| Gravesend to Ortakoy | 1,839.64 mi (2,960.62 km) |
| Gravesend to Ortakoy | 1,825.19 mi (2,937.37 km) |
| Gravesend to Osmaneli | 1,603.02 mi (2,579.81 km) |
| Gravesend to Osmaniye | 2,005.87 mi (3,228.14 km) |
| Gravesend to Ozdere | 1,593.37 mi (2,564.29 km) |
| Gravesend to Palu | 2,089.91 mi (3,363.39 km) |
| Gravesend to Pamukkale | 1,676.51 mi (2,698.08 km) |
| Gravesend to Patnos | 2,192.18 mi (3,527.98 km) |
| Gravesend to Pazar | 1,870.33 mi (3,010.00 km) |
| Gravesend to Pazarcik | 2,030.97 mi (3,268.54 km) |
