| Grenchen to Derecik | 1,994.05 mi (3,209.11 km) |
| Grenchen to Dereli | 1,594.91 mi (2,566.77 km) |
| Grenchen to Derik | 1,795.93 mi (2,890.26 km) |
| Grenchen to Derinkuyu | 1,504.17 mi (2,420.73 km) |
| Grenchen to Develi | 1,538.22 mi (2,475.53 km) |
| Grenchen to Dicle | 1,750.05 mi (2,816.44 km) |
| Grenchen to Digor | 1,839.45 mi (2,960.30 km) |
| Grenchen to Dikili | 1,127.12 mi (1,813.92 km) |
| Grenchen to Divrigi | 1,624.62 mi (2,614.57 km) |
| Grenchen to Diyadin | 1,878.65 mi (3,023.39 km) |
| Grenchen to Diyarbakir | 1,774.50 mi (2,855.79 km) |
| Grenchen to Doganhisar | 1,375.02 mi (2,212.88 km) |
| Grenchen to Dogansehir | 1,658.60 mi (2,669.25 km) |
| Grenchen to Dogubayazit | 1,897.46 mi (3,053.66 km) |
| Grenchen to Domanic | 1,219.51 mi (1,962.62 km) |
