| Opfikon to Dixon (Illinois) | 4,499.09 mi (7,240.58 km) |
| Opfikon to Dobbs Ferry (New York) | 3,910.64 mi (6,293.56 km) |
| Opfikon to Doctor Phillips (Florida) | 4,801.91 mi (7,727.93 km) |
| Opfikon to Dodge City (Kansas) | 5,092.59 mi (8,195.74 km) |
| Opfikon to Dolton (Illinois) | 4,437.02 mi (7,140.69 km) |
| Opfikon to Donna (Texas) | 5,618.95 mi (9,042.83 km) |
| Opfikon to Dorado (Puerto Rico) | 4,584.66 mi (7,378.30 km) |
| Opfikon to Doral (Florida) | 4,877.98 mi (7,850.35 km) |
| Opfikon to Doraville (Georgia) | 4,662.20 mi (7,503.08 km) |
| Opfikon to Dothan (Alabama) | 4,837.42 mi (7,785.08 km) |
| Opfikon to Douglas (Arizona) | 5,777.44 mi (9,297.89 km) |
| Opfikon to Douglas (Georgia) | 4,715.51 mi (7,588.88 km) |
| Opfikon to Douglasville (Georgia) | 4,688.37 mi (7,545.21 km) |
| Opfikon to Dover (Delaware) | 4,057.58 mi (6,530.05 km) |
| Opfikon to Dover (New Hampshire) | 3,698.83 mi (5,952.69 km) |
