| Bettendorf to Decatur (Georgia) | 635.42 mi (1,022.61 km) |
| Bettendorf to Decatur (Illinois) | 143.12 mi (230.32 km) |
| Bettendorf to Deer Park (New York) | 892.56 mi (1,436.44 km) |
| Bettendorf to Deer Park (Texas) | 860.54 mi (1,384.90 km) |
| Bettendorf to Deerfield (Illinois) | 141.27 mi (227.35 km) |
| Bettendorf to Deerfield Beach (Florida) | 1,207.68 mi (1,943.57 km) |
| Bettendorf to Defiance (Ohio) | 317.14 mi (510.38 km) |
| Bettendorf to DeForest (Wisconsin) | 128.72 mi (207.15 km) |
| Bettendorf to DeKalb (Illinois) | 92.61 mi (149.04 km) |
| Bettendorf to Del Aire (California) | 1,604.63 mi (2,582.40 km) |
| Bettendorf to Del City (Oklahoma) | 565.67 mi (910.35 km) |
| Bettendorf to Del Rio (Texas) | 1,024.25 mi (1,648.37 km) |
| Bettendorf to DeLand (Florida) | 1,008.33 mi (1,622.75 km) |
| Bettendorf to Delano (California) | 1,595.72 mi (2,568.06 km) |
| Bettendorf to Delaware (Ohio) | 396.30 mi (637.78 km) |
