| Difficult Run to Ondokuzmayis | 5,484.50 mi (8,826.45 km) |
| Difficult Run to Ordu | 5,576.50 mi (8,974.51 km) |
| Difficult Run to Ortahisar | 5,573.79 mi (8,970.14 km) |
| Difficult Run to Ortakent | 5,332.30 mi (8,581.51 km) |
| Difficult Run to Ortaklar | 5,306.86 mi (8,540.57 km) |
| Difficult Run to Ortakoy | 5,535.66 mi (8,908.78 km) |
| Difficult Run to Ortakoy | 5,510.97 mi (8,869.05 km) |
| Difficult Run to Osmaneli | 5,301.32 mi (8,531.65 km) |
| Difficult Run to Osmaniye | 5,702.15 mi (9,176.73 km) |
| Difficult Run to Ozdere | 5,285.32 mi (8,505.90 km) |
| Difficult Run to Palu | 5,765.53 mi (9,278.72 km) |
| Difficult Run to Pamukkale | 5,373.10 mi (8,647.16 km) |
| Difficult Run to Patnos | 5,846.29 mi (9,408.69 km) |
| Difficult Run to Pazar | 5,552.03 mi (8,935.13 km) |
| Difficult Run to Pazarcik | 5,723.55 mi (9,211.16 km) |
