| Opfikon to Somersworth (New Hampshire) | 3,696.36 mi (5,948.72 km) |
| Opfikon to Somerton (Arizona) | 5,884.61 mi (9,470.36 km) |
| Opfikon to Somerville (Massachusetts) | 3,739.12 mi (6,017.53 km) |
| Opfikon to Somerville (New Jersey) | 3,959.95 mi (6,372.93 km) |
| Opfikon to Sonoma (California) | 5,790.60 mi (9,319.06 km) |
| Opfikon to Soquel (California) | 5,852.74 mi (9,419.07 km) |
| Opfikon to South Bend (Indiana) | 4,383.37 mi (7,054.34 km) |
| Opfikon to South Bradenton (Florida) | 4,897.13 mi (7,881.17 km) |
| Opfikon to South Burlington (Vermont) | 3,745.45 mi (6,027.73 km) |
| Opfikon to South Charleston (West Virginia) | 4,351.60 mi (7,003.23 km) |
| Opfikon to South Daytona (Florida) | 4,746.38 mi (7,638.56 km) |
| Opfikon to South El Monte (California) | 5,908.99 mi (9,509.60 km) |
| Opfikon to South Elgin (Illinois) | 4,447.84 mi (7,158.10 km) |
| Opfikon to South Euclid (Ohio) | 4,202.78 mi (6,763.73 km) |
| Opfikon to South Farmingdale (New York) | 3,905.06 mi (6,284.59 km) |
