| Somerset to Denizli | 5,190.88 mi (8,353.91 km) |
| Somerset to Derecik | 5,824.46 mi (9,373.56 km) |
| Somerset to Dereli | 5,423.86 mi (8,728.86 km) |
| Somerset to Derik | 5,658.22 mi (9,106.02 km) |
| Somerset to Derinkuyu | 5,393.54 mi (8,680.06 km) |
| Somerset to Develi | 5,422.85 mi (8,727.24 km) |
| Somerset to Dicle | 5,600.84 mi (9,013.68 km) |
| Somerset to Digor | 5,623.83 mi (9,050.67 km) |
| Somerset to Dikili | 5,041.85 mi (8,114.07 km) |
| Somerset to Divrigi | 5,477.97 mi (8,815.94 km) |
| Somerset to Diyadin | 5,675.77 mi (9,134.27 km) |
| Somerset to Diyarbakir | 5,630.15 mi (9,060.85 km) |
| Somerset to Doganhisar | 5,280.99 mi (8,498.94 km) |
| Somerset to Dogansehir | 5,530.31 mi (8,900.17 km) |
| Somerset to Dogubayazit | 5,690.01 mi (9,157.18 km) |
