| Opfikon to Centralia (Illinois) | 4,641.49 mi (7,469.75 km) |
| Opfikon to Centralia (Washington) | 5,304.95 mi (8,537.50 km) |
| Opfikon to Centreville (Virginia) | 4,152.08 mi (6,682.13 km) |
| Opfikon to Ceres (California) | 5,789.27 mi (9,316.94 km) |
| Opfikon to Cerritos (California) | 5,920.14 mi (9,527.55 km) |
| Opfikon to Chalco (Nebraska) | 4,778.60 mi (7,690.42 km) |
| Opfikon to Chalmette (Louisiana) | 5,092.25 mi (8,195.18 km) |
| Opfikon to Chambersburg (Pennsylvania) | 4,113.95 mi (6,620.76 km) |
| Opfikon to Chamblee (Georgia) | 4,664.53 mi (7,506.83 km) |
| Opfikon to Champaign (Illinois) | 4,533.34 mi (7,295.71 km) |
| Opfikon to Champlin (Minnesota) | 4,487.13 mi (7,221.33 km) |
| Opfikon to Chandler (Arizona) | 5,750.78 mi (9,254.98 km) |
| Opfikon to Chanhassen (Minnesota) | 4,508.17 mi (7,255.19 km) |
| Opfikon to Channahon (Illinois) | 4,472.09 mi (7,197.13 km) |
| Opfikon to Channelview (Texas) | 5,311.56 mi (8,548.13 km) |
