| Dokkum to Siran | 1,788.57 mi (2,878.42 km) |
| Dokkum to Sirnak | 2,045.41 mi (3,291.77 km) |
| Dokkum to Sirvan | 2,002.42 mi (3,222.59 km) |
| Dokkum to Sivas | 1,726.55 mi (2,778.61 km) |
| Dokkum to Sivasli | 1,519.38 mi (2,445.20 km) |
| Dokkum to Siverek | 1,911.71 mi (3,076.60 km) |
| Dokkum to Sivrice | 1,877.73 mi (3,021.92 km) |
| Dokkum to Sivrihisar | 1,535.14 mi (2,470.57 km) |
| Dokkum to Sogut | 1,457.31 mi (2,345.31 km) |
| Dokkum to Sogutlu | 1,424.29 mi (2,292.18 km) |
| Dokkum to Soke | 1,482.67 mi (2,386.12 km) |
| Dokkum to Solhan | 1,921.27 mi (3,091.98 km) |
| Dokkum to Soma | 1,410.79 mi (2,270.45 km) |
| Dokkum to Sorgun | 1,653.31 mi (2,660.75 km) |
| Dokkum to Suhut | 1,546.99 mi (2,489.64 km) |
