| Opfikon to Decatur (Georgia) | 4,669.67 mi (7,515.12 km) |
| Opfikon to Decatur (Illinois) | 4,571.16 mi (7,356.57 km) |
| Opfikon to Deer Park (New York) | 3,897.94 mi (6,273.13 km) |
| Opfikon to Deer Park (Texas) | 5,316.77 mi (8,556.51 km) |
| Opfikon to Deerfield (Illinois) | 4,422.12 mi (7,116.71 km) |
| Opfikon to Deerfield Beach (Florida) | 4,844.23 mi (7,796.03 km) |
| Opfikon to Defiance (Ohio) | 4,326.58 mi (6,962.96 km) |
| Opfikon to DeForest (Wisconsin) | 4,429.68 mi (7,128.89 km) |
| Opfikon to DeKalb (Illinois) | 4,467.18 mi (7,189.22 km) |
| Opfikon to Del Aire (California) | 5,926.67 mi (9,538.06 km) |
| Opfikon to Del City (Oklahoma) | 5,114.79 mi (8,231.47 km) |
| Opfikon to Del Rio (Texas) | 5,562.38 mi (8,951.79 km) |
| Opfikon to DeLand (Florida) | 4,765.54 mi (7,669.39 km) |
| Opfikon to Delano (California) | 5,846.42 mi (9,408.91 km) |
| Opfikon to Delaware (Ohio) | 4,319.74 mi (6,951.95 km) |
