| Opfikon to Caño Martin Peña (Puerto Rico) | 4,575.98 mi (7,364.33 km) |
| Opfikon to Cañon City (Colorado) | 5,241.76 mi (8,435.79 km) |
| Opfikon to Canóvanas (Puerto Rico) | 4,571.97 mi (7,357.87 km) |
| Opfikon to Canton (Georgia) | 4,655.36 mi (7,492.08 km) |
| Opfikon to Canton (Illinois) | 4,580.58 mi (7,371.74 km) |
| Opfikon to Canton (Mississippi) | 4,964.09 mi (7,988.93 km) |
| Opfikon to Canton (Ohio) | 4,227.84 mi (6,804.06 km) |
| Opfikon to Canyon (Texas) | 5,306.19 mi (8,539.49 km) |
| Opfikon to Canyon Lake (California) | 5,905.16 mi (9,503.44 km) |
| Opfikon to Canyon Lake (Texas) | 5,433.14 mi (8,743.80 km) |
| Opfikon to Cape Coral (Florida) | 4,910.75 mi (7,903.08 km) |
| Opfikon to Cape Girardeau (Missouri) | 4,716.45 mi (7,590.39 km) |
| Opfikon to Carbondale (Illinois) | 4,683.50 mi (7,537.36 km) |
| Opfikon to Carlisle (Pennsylvania) | 4,083.69 mi (6,572.06 km) |
| Opfikon to Carlsbad (California) | 5,938.38 mi (9,556.90 km) |
