| Duffel to Sulakyurt | 1,585.89 mi (2,552.25 km) |
| Duffel to Sultanbeyli | 1,368.19 mi (2,201.89 km) |
| Duffel to Sultandagi | 1,557.48 mi (2,506.52 km) |
| Duffel to Sultanhani | 1,663.63 mi (2,677.35 km) |
| Duffel to Sultanhisar | 1,468.90 mi (2,363.96 km) |
| Duffel to Suluova | 1,638.57 mi (2,637.03 km) |
| Duffel to Sumbas | 1,801.91 mi (2,899.89 km) |
| Duffel to Sungurlu | 1,613.16 mi (2,596.13 km) |
| Duffel to Surmene | 1,825.35 mi (2,937.61 km) |
| Duffel to Suruc | 1,921.95 mi (3,093.09 km) |
| Duffel to Susehri | 1,769.34 mi (2,847.47 km) |
| Duffel to Susurluk | 1,371.66 mi (2,207.47 km) |
| Duffel to Susuz | 1,960.68 mi (3,155.41 km) |
| Duffel to Sutculer | 1,597.01 mi (2,570.15 km) |
| Duffel to Talas | 1,726.72 mi (2,778.89 km) |
