| Opfikon to Foothill Farms (California) | 5,736.00 mi (9,231.20 km) |
| Opfikon to Fords (New Jersey) | 3,948.92 mi (6,355.17 km) |
| Opfikon to Forest (Virginia) | 4,293.88 mi (6,910.33 km) |
| Opfikon to Forest Acres (South Carolina) | 4,516.87 mi (7,269.20 km) |
| Opfikon to Forest City (Florida) | 4,789.60 mi (7,708.12 km) |
| Opfikon to Forest Grove (Oregon) | 5,379.21 mi (8,657.01 km) |
| Opfikon to Forest Hill (Texas) | 5,250.38 mi (8,449.67 km) |
| Opfikon to Forest Hills (Michigan) | 4,295.44 mi (6,912.85 km) |
| Opfikon to Forest Lake (Minnesota) | 4,467.81 mi (7,190.24 km) |
| Opfikon to Forest Park (Georgia) | 4,679.40 mi (7,530.76 km) |
| Opfikon to Forest Park (Illinois) | 4,434.38 mi (7,136.45 km) |
| Opfikon to Forest Park (Ohio) | 4,423.19 mi (7,118.43 km) |
| Opfikon to Forestville (Maryland) | 4,127.70 mi (6,642.88 km) |
| Opfikon to Forestville (Ohio) | 4,425.47 mi (7,122.10 km) |
| Opfikon to Forney (Texas) | 5,214.37 mi (8,391.71 km) |
