| Portlethen to Ondokuzmayis | 1,991.88 mi (3,205.61 km) |
| Portlethen to Ordu | 2,082.54 mi (3,351.52 km) |
| Portlethen to Ortahisar | 2,095.58 mi (3,372.52 km) |
| Portlethen to Ortakent | 1,925.62 mi (3,098.98 km) |
| Portlethen to Ortaklar | 1,888.24 mi (3,038.83 km) |
| Portlethen to Ortakoy | 2,060.64 mi (3,316.28 km) |
| Portlethen to Ortakoy | 2,023.65 mi (3,256.75 km) |
| Portlethen to Osmaneli | 1,837.15 mi (2,956.61 km) |
| Portlethen to Osmaniye | 2,226.01 mi (3,582.42 km) |
| Portlethen to Ozdere | 1,868.88 mi (3,007.67 km) |
| Portlethen to Palu | 2,272.46 mi (3,657.16 km) |
| Portlethen to Pamukkale | 1,938.63 mi (3,119.92 km) |
| Portlethen to Patnos | 2,351.93 mi (3,785.07 km) |
| Portlethen to Pazar | 2,062.06 mi (3,318.56 km) |
| Portlethen to Pazarcik | 2,240.92 mi (3,606.41 km) |
