| Sierre to Derecik | 1,980.98 mi (3,188.08 km) |
| Sierre to Dereli | 1,584.34 mi (2,549.76 km) |
| Sierre to Derik | 1,779.57 mi (2,863.94 km) |
| Sierre to Derinkuyu | 1,484.14 mi (2,388.50 km) |
| Sierre to Develi | 1,519.08 mi (2,444.72 km) |
| Sierre to Dicle | 1,735.61 mi (2,793.19 km) |
| Sierre to Digor | 1,832.24 mi (2,948.71 km) |
| Sierre to Dikili | 1,098.59 mi (1,768.01 km) |
| Sierre to Divrigi | 1,610.49 mi (2,591.83 km) |
| Sierre to Diyadin | 1,869.89 mi (3,009.29 km) |
| Sierre to Diyarbakir | 1,759.24 mi (2,831.22 km) |
| Sierre to Doganhisar | 1,350.74 mi (2,173.81 km) |
| Sierre to Dogansehir | 1,641.35 mi (2,641.50 km) |
| Sierre to Dogubayazit | 1,889.05 mi (3,040.13 km) |
| Sierre to Domanic | 1,196.97 mi (1,926.34 km) |
