| Sierning to Derecik | 1,689.60 mi (2,719.14 km) |
| Sierning to Dereli | 1,286.89 mi (2,071.05 km) |
| Sierning to Derik | 1,500.00 mi (2,414.02 km) |
| Sierning to Derinkuyu | 1,220.66 mi (1,964.47 km) |
| Sierning to Develi | 1,251.73 mi (2,014.46 km) |
| Sierning to Dicle | 1,449.71 mi (2,333.08 km) |
| Sierning to Digor | 1,524.58 mi (2,453.57 km) |
| Sierning to Dikili | 881.70 mi (1,418.95 km) |
| Sierning to Divrigi | 1,324.21 mi (2,131.12 km) |
| Sierning to Diyadin | 1,566.24 mi (2,520.63 km) |
| Sierning to Diyarbakir | 1,475.99 mi (2,375.38 km) |
| Sierning to Doganhisar | 1,107.28 mi (1,782.00 km) |
| Sierning to Dogansehir | 1,365.82 mi (2,198.08 km) |
| Sierning to Dogubayazit | 1,584.40 mi (2,549.85 km) |
| Sierning to Domanic | 948.22 mi (1,526.01 km) |
