| Boppard to Decatur (Georgia) | 4,547.07 mi (7,317.80 km) |
| Boppard to Decatur (Illinois) | 4,428.97 mi (7,127.74 km) |
| Boppard to Deer Park (New York) | 3,776.85 mi (6,078.26 km) |
| Boppard to Deer Park (Texas) | 5,183.38 mi (8,341.85 km) |
| Boppard to Deerfield (Illinois) | 4,276.96 mi (6,883.10 km) |
| Boppard to Deerfield Beach (Florida) | 4,745.87 mi (7,637.74 km) |
| Boppard to Defiance (Ohio) | 4,187.98 mi (6,739.91 km) |
| Boppard to DeForest (Wisconsin) | 4,280.55 mi (6,888.88 km) |
| Boppard to DeKalb (Illinois) | 4,321.27 mi (6,954.42 km) |
| Boppard to Del Aire (California) | 5,753.51 mi (9,259.37 km) |
| Boppard to Del City (Oklahoma) | 4,968.00 mi (7,995.22 km) |
| Boppard to Del Rio (Texas) | 5,419.79 mi (8,722.31 km) |
| Boppard to DeLand (Florida) | 4,658.77 mi (7,497.57 km) |
| Boppard to Delano (California) | 5,670.60 mi (9,125.95 km) |
| Boppard to Delaware (Ohio) | 4,185.12 mi (6,735.30 km) |
