| Sumner to Denizli | 6,303.60 mi (10,144.66 km) |
| Sumner to Derecik | 6,552.97 mi (10,545.99 km) |
| Sumner to Dereli | 6,244.97 mi (10,050.30 km) |
| Sumner to Derik | 6,493.36 mi (10,450.05 km) |
| Sumner to Derinkuyu | 6,354.63 mi (10,226.78 km) |
| Sumner to Develi | 6,364.37 mi (10,242.47 km) |
| Sumner to Dicle | 6,422.91 mi (10,336.68 km) |
| Sumner to Digor | 6,320.62 mi (10,172.06 km) |
| Sumner to Dikili | 6,178.87 mi (9,943.93 km) |
| Sumner to Divrigi | 6,333.14 mi (10,192.20 km) |
| Sumner to Diyadin | 6,379.89 mi (10,267.44 km) |
| Sumner to Diyarbakir | 6,456.22 mi (10,390.28 km) |
| Sumner to Doganhisar | 6,322.97 mi (10,175.83 km) |
| Sumner to Dogansehir | 6,415.65 mi (10,325.00 km) |
| Sumner to Dogubayazit | 6,382.93 mi (10,272.33 km) |
