| Catonsville to Dormagen | 3,926.73 mi (6,319.46 km) |
| Catonsville to Dornstadt | 4,129.66 mi (6,646.05 km) |
| Catonsville to Dorsten | 3,917.41 mi (6,304.46 km) |
| Catonsville to Dortmund | 3,941.14 mi (6,342.65 km) |
| Catonsville to Dorverden | 3,972.99 mi (6,393.91 km) |
| Catonsville to Dossenheim | 4,048.27 mi (6,515.06 km) |
| Catonsville to Dreieich | 4,033.23 mi (6,490.86 km) |
| Catonsville to Drensteinfurt | 3,944.25 mi (6,347.66 km) |
| Catonsville to Dresden | 4,199.75 mi (6,758.84 km) |
| Catonsville to Drochtersen | 3,955.26 mi (6,365.38 km) |
| Catonsville to Drolshagen | 3,966.39 mi (6,383.29 km) |
| Catonsville to Duderstadt | 4,050.76 mi (6,519.08 km) |
| Catonsville to Duisburg | 3,915.50 mi (6,301.40 km) |
| Catonsville to Dulmen | 3,925.17 mi (6,316.94 km) |
| Catonsville to Duren | 3,921.55 mi (6,311.13 km) |
