| Difficult Run to Suhut | 5,404.48 mi (8,697.66 km) |
| Difficult Run to Sulakyurt | 5,456.77 mi (8,781.82 km) |
| Difficult Run to Sultanbeyli | 5,243.54 mi (8,438.67 km) |
| Difficult Run to Sultandagi | 5,432.41 mi (8,742.62 km) |
| Difficult Run to Sultanhani | 5,538.90 mi (8,914.01 km) |
| Difficult Run to Sultanhisar | 5,334.22 mi (8,584.60 km) |
| Difficult Run to Suluova | 5,499.61 mi (8,850.77 km) |
| Difficult Run to Sumbas | 5,675.88 mi (9,134.45 km) |
| Difficult Run to Sungurlu | 5,482.30 mi (8,822.90 km) |
| Difficult Run to Surmene | 5,661.95 mi (9,112.03 km) |
| Difficult Run to Suruc | 5,792.45 mi (9,322.04 km) |
| Difficult Run to Susehri | 5,624.04 mi (9,051.02 km) |
| Difficult Run to Susurluk | 5,245.28 mi (8,441.46 km) |
| Difficult Run to Susuz | 5,777.11 mi (9,297.36 km) |
| Difficult Run to Sutculer | 5,469.40 mi (8,802.15 km) |
