| Opfikon to Dallas (Texas) | 5,224.13 mi (8,407.43 km) |
| Opfikon to Dalton (Georgia) | 4,650.86 mi (7,484.84 km) |
| Opfikon to Daly City (California) | 5,826.66 mi (9,377.11 km) |
| Opfikon to Damascus (Maryland) | 4,123.26 mi (6,635.75 km) |
| Opfikon to Damascus (Oregon) | 5,368.40 mi (8,639.61 km) |
| Opfikon to Dana Point (California) | 5,931.32 mi (9,545.53 km) |
| Opfikon to Danbury (Connecticut) | 3,878.01 mi (6,241.06 km) |
| Opfikon to Dania Beach (Florida) | 4,857.64 mi (7,817.61 km) |
| Opfikon to Danville (California) | 5,805.18 mi (9,342.53 km) |
| Opfikon to Danville (Illinois) | 4,506.15 mi (7,251.95 km) |
| Opfikon to Danville (Indiana) | 4,480.30 mi (7,210.35 km) |
| Opfikon to Danville (Kentucky) | 4,508.84 mi (7,256.28 km) |
| Opfikon to Danville (Virginia) | 4,334.47 mi (6,975.66 km) |
| Opfikon to Daphne (Alabama) | 4,971.36 mi (8,000.64 km) |
| Opfikon to Darby (Pennsylvania) | 4,014.46 mi (6,460.65 km) |
