| Opfikon to University Place (Washington) | 5,265.51 mi (8,474.02 km) |
| Opfikon to Upland (California) | 5,892.90 mi (9,483.71 km) |
| Opfikon to Upper Arlington (Ohio) | 4,331.14 mi (6,970.29 km) |
| Opfikon to Upper Grand Lagoon (Florida) | 4,902.98 mi (7,890.58 km) |
| Opfikon to Upper Montclair (New Jersey) | 3,931.48 mi (6,327.11 km) |
| Opfikon to Urbana (Illinois) | 4,530.53 mi (7,291.18 km) |
| Opfikon to Urbana (Maryland) | 4,126.92 mi (6,641.63 km) |
| Opfikon to Urbana (Ohio) | 4,354.95 mi (7,008.62 km) |
| Opfikon to Urbandale (Iowa) | 4,669.97 mi (7,515.60 km) |
| Opfikon to Utica (New York) | 3,881.61 mi (6,246.85 km) |
| Opfikon to Uvalde (Texas) | 5,527.44 mi (8,895.55 km) |
| Opfikon to Vacaville (California) | 5,772.78 mi (9,290.40 km) |
| Opfikon to Vadnais Heights (Minnesota) | 4,481.21 mi (7,211.82 km) |
| Opfikon to Vail (Arizona) | 5,781.30 mi (9,304.10 km) |
| Opfikon to Valdosta (Georgia) | 4,764.90 mi (7,668.37 km) |
