| Slough to Decatur (Georgia) | 4,183.05 mi (6,731.97 km) |
| Slough to Decatur (Illinois) | 4,074.89 mi (6,557.90 km) |
| Slough to Deer Park (New York) | 3,412.21 mi (5,491.42 km) |
| Slough to Deer Park (Texas) | 4,823.98 mi (7,763.44 km) |
| Slough to Deerfield (Illinois) | 3,925.13 mi (6,316.88 km) |
| Slough to Deerfield Beach (Florida) | 4,378.78 mi (7,046.96 km) |
| Slough to Defiance (Ohio) | 3,831.41 mi (6,166.06 km) |
| Slough to DeForest (Wisconsin) | 3,932.14 mi (6,328.17 km) |
| Slough to DeKalb (Illinois) | 3,970.05 mi (6,389.18 km) |
| Slough to Del Aire (California) | 5,437.43 mi (8,750.70 km) |
| Slough to Del City (Oklahoma) | 4,617.58 mi (7,431.28 km) |
| Slough to Del Rio (Texas) | 5,066.13 mi (8,153.15 km) |
| Slough to DeLand (Florida) | 4,291.78 mi (6,906.96 km) |
| Slough to Delano (California) | 5,360.00 mi (8,626.09 km) |
| Slough to Delaware (Ohio) | 3,826.18 mi (6,157.64 km) |
