| Difficult Run to Civril | 5,381.66 mi (8,660.95 km) |
| Difficult Run to Cizre | 5,918.03 mi (9,524.15 km) |
| Difficult Run to Cobanlar | 5,406.45 mi (8,700.83 km) |
| Difficult Run to Corlu | 5,176.69 mi (8,331.07 km) |
| Difficult Run to Corum | 5,486.67 mi (8,829.95 km) |
| Difficult Run to Cukurca | 5,975.19 mi (9,616.14 km) |
| Difficult Run to Cukurcayir | 5,645.52 mi (9,085.59 km) |
| Difficult Run to Cumayeri | 5,315.12 mi (8,553.86 km) |
| Difficult Run to Cumra | 5,539.07 mi (8,914.28 km) |
| Difficult Run to Cungus | 5,764.73 mi (9,277.44 km) |
| Difficult Run to Dargecit | 5,889.86 mi (9,478.81 km) |
| Difficult Run to Davutlar | 5,305.00 mi (8,537.57 km) |
| Difficult Run to Demirozu | 5,691.02 mi (9,158.82 km) |
| Difficult Run to Demre | 5,484.37 mi (8,826.24 km) |
| Difficult Run to Denizciler | 5,721.23 mi (9,207.43 km) |
