| Gresham to Ondokuzmayis | 6,281.49 mi (10,109.07 km) |
| Gresham to Ordu | 6,338.81 mi (10,201.33 km) |
| Gresham to Ortahisar | 6,456.06 mi (10,390.03 km) |
| Gresham to Ortakent | 6,426.35 mi (10,342.21 km) |
| Gresham to Ortaklar | 6,379.94 mi (10,267.52 km) |
| Gresham to Ortakoy | 6,436.05 mi (10,357.83 km) |
| Gresham to Ortakoy | 6,351.19 mi (10,221.26 km) |
| Gresham to Osmaneli | 6,265.10 mi (10,082.71 km) |
| Gresham to Osmaniye | 6,579.00 mi (10,587.87 km) |
| Gresham to Ozdere | 6,364.11 mi (10,242.04 km) |
| Gresham to Palu | 6,516.88 mi (10,487.91 km) |
| Gresham to Pamukkale | 6,407.98 mi (10,312.65 km) |
| Gresham to Patnos | 6,511.48 mi (10,479.21 km) |
| Gresham to Pazar | 6,366.94 mi (10,246.59 km) |
| Gresham to Pazarcik | 6,565.87 mi (10,566.75 km) |
