| Opfikon to Troy (Michigan) | 4,220.82 mi (6,792.75 km) |
| Opfikon to Troy (Missouri) | 4,692.18 mi (7,551.33 km) |
| Opfikon to Troy (New York) | 3,832.48 mi (6,167.78 km) |
| Opfikon to Troy (Ohio) | 4,376.47 mi (7,043.25 km) |
| Opfikon to Truckee (California) | 5,664.40 mi (9,115.97 km) |
| Opfikon to Trujillo Alto (Puerto Rico) | 4,577.50 mi (7,366.78 km) |
| Opfikon to Trumbull Center (Connecticut) | 3,872.51 mi (6,232.21 km) |
| Opfikon to Trussville (Alabama) | 4,771.26 mi (7,678.60 km) |
| Opfikon to Tualatin (Oregon) | 5,379.49 mi (8,657.46 km) |
| Opfikon to Tuckahoe (Virginia) | 4,212.88 mi (6,779.97 km) |
| Opfikon to Tucker (Georgia) | 4,662.32 mi (7,503.27 km) |
| Opfikon to Tucson (Arizona) | 5,780.36 mi (9,302.58 km) |
| Opfikon to Tucson Estates (Arizona) | 5,787.54 mi (9,314.14 km) |
| Opfikon to Tucson Mountains (Arizona) | 5,780.10 mi (9,302.17 km) |
| Opfikon to Tukwila (Washington) | 5,243.49 mi (8,438.58 km) |
