| Castle Pines to Dormagen | 4,947.82 mi (7,962.74 km) |
| Castle Pines to Dornstadt | 5,173.14 mi (8,325.36 km) |
| Castle Pines to Dorsten | 4,927.31 mi (7,929.75 km) |
| Castle Pines to Dortmund | 4,950.09 mi (7,966.40 km) |
| Castle Pines to Dorverden | 4,944.87 mi (7,957.99 km) |
| Castle Pines to Dossenheim | 5,084.85 mi (8,183.27 km) |
| Castle Pines to Dreieich | 5,060.10 mi (8,143.45 km) |
| Castle Pines to Drensteinfurt | 4,946.22 mi (7,960.17 km) |
| Castle Pines to Dresden | 5,169.46 mi (8,319.45 km) |
| Castle Pines to Drochtersen | 4,910.20 mi (7,902.20 km) |
| Castle Pines to Drolshagen | 4,981.89 mi (8,017.58 km) |
| Castle Pines to Duderstadt | 5,039.37 mi (8,110.09 km) |
| Castle Pines to Duisburg | 4,930.93 mi (7,935.56 km) |
| Castle Pines to Dulmen | 4,929.74 mi (7,933.65 km) |
| Castle Pines to Duren | 4,950.38 mi (7,966.87 km) |
