| Opfikon to Dover (New Jersey) | 3,944.74 mi (6,348.45 km) |
| Opfikon to Dover (Ohio) | 4,244.61 mi (6,831.05 km) |
| Opfikon to Downers Grove (Illinois) | 4,445.50 mi (7,154.34 km) |
| Opfikon to Downey (California) | 5,918.03 mi (9,524.15 km) |
| Opfikon to Dranesville (Virginia) | 4,142.39 mi (6,666.53 km) |
| Opfikon to Draper (Utah) | 5,349.41 mi (8,609.04 km) |
| Opfikon to Drexel Heights (Arizona) | 5,786.71 mi (9,312.81 km) |
| Opfikon to Drexel Hill (Pennsylvania) | 4,015.06 mi (6,461.61 km) |
| Opfikon to Duarte (California) | 5,899.47 mi (9,494.27 km) |
| Opfikon to Dublin (California) | 5,808.78 mi (9,348.32 km) |
| Opfikon to Dublin (Georgia) | 4,670.02 mi (7,515.67 km) |
| Opfikon to Dublin (Ohio) | 4,330.39 mi (6,969.09 km) |
| Opfikon to Dubuque (Iowa) | 4,514.71 mi (7,265.73 km) |
| Opfikon to Duluth (Georgia) | 4,652.47 mi (7,487.43 km) |
| Opfikon to Duluth (Minnesota) | 4,367.92 mi (7,029.49 km) |
