| Mechernich to Dover (New Jersey) | 3,773.23 mi (6,072.43 km) |
| Mechernich to Dover (Ohio) | 4,063.28 mi (6,539.21 km) |
| Mechernich to Downers Grove (Illinois) | 4,252.22 mi (6,843.29 km) |
| Mechernich to Downey (California) | 5,698.24 mi (9,170.42 km) |
| Mechernich to Dranesville (Virginia) | 3,971.22 mi (6,391.07 km) |
| Mechernich to Draper (Utah) | 5,130.30 mi (8,256.41 km) |
| Mechernich to Drexel Heights (Arizona) | 5,576.87 mi (8,975.10 km) |
| Mechernich to Drexel Hill (Pennsylvania) | 3,844.83 mi (6,187.66 km) |
| Mechernich to Duarte (California) | 5,679.68 mi (9,140.57 km) |
| Mechernich to Dublin (California) | 5,582.93 mi (8,984.85 km) |
| Mechernich to Dublin (Georgia) | 4,504.50 mi (7,249.29 km) |
| Mechernich to Dublin (Ohio) | 4,147.50 mi (6,674.75 km) |
| Mechernich to Dubuque (Iowa) | 4,316.63 mi (6,946.95 km) |
| Mechernich to Duluth (Georgia) | 4,481.41 mi (7,212.13 km) |
| Mechernich to Duluth (Minnesota) | 4,160.89 mi (6,696.31 km) |
