| Helena to Ondokuzmayis | 6,042.49 mi (9,724.44 km) |
| Helena to Ordu | 6,108.71 mi (9,831.02 km) |
| Helena to Ortahisar | 6,203.27 mi (9,983.20 km) |
| Helena to Ortakent | 6,128.39 mi (9,862.70 km) |
| Helena to Ortaklar | 6,085.29 mi (9,793.32 km) |
| Helena to Ortakoy | 6,178.92 mi (9,944.01 km) |
| Helena to Ortakoy | 6,104.75 mi (9,824.64 km) |
| Helena to Osmaneli | 5,990.50 mi (9,640.78 km) |
| Helena to Osmaniye | 6,330.40 mi (10,187.80 km) |
| Helena to Ozdere | 6,067.92 mi (9,765.38 km) |
| Helena to Palu | 6,293.77 mi (10,128.84 km) |
| Helena to Pamukkale | 6,121.89 mi (9,852.24 km) |
| Helena to Patnos | 6,306.98 mi (10,150.10 km) |
| Helena to Pazar | 6,126.29 mi (9,859.31 km) |
| Helena to Pazarcik | 6,324.37 mi (10,178.09 km) |
