| Forest Grove to Ondokuzmayis | 6,288.75 mi (10,120.77 km) |
| Forest Grove to Ordu | 6,345.42 mi (10,211.96 km) |
| Forest Grove to Ortahisar | 6,464.23 mi (10,403.18 km) |
| Forest Grove to Ortakent | 6,437.84 mi (10,360.70 km) |
| Forest Grove to Ortaklar | 6,391.20 mi (10,285.65 km) |
| Forest Grove to Ortakoy | 6,444.55 mi (10,371.50 km) |
| Forest Grove to Ortakoy | 6,358.96 mi (10,233.76 km) |
| Forest Grove to Osmaneli | 6,274.94 mi (10,098.54 km) |
| Forest Grove to Osmaniye | 6,586.81 mi (10,600.44 km) |
| Forest Grove to Ozdere | 6,375.49 mi (10,260.37 km) |
| Forest Grove to Palu | 6,522.91 mi (10,497.61 km) |
| Forest Grove to Pamukkale | 6,418.60 mi (10,329.74 km) |
| Forest Grove to Patnos | 6,516.21 mi (10,486.82 km) |
| Forest Grove to Pazar | 6,374.28 mi (10,258.41 km) |
| Forest Grove to Pazarcik | 6,573.18 mi (10,578.52 km) |
