| Opfikon to Chickasha (Oklahoma) | 5,154.86 mi (8,295.94 km) |
| Opfikon to Chico (California) | 5,685.93 mi (9,150.61 km) |
| Opfikon to Chicopee (Massachusetts) | 3,809.12 mi (6,130.19 km) |
| Opfikon to Chillicothe (Ohio) | 4,358.96 mi (7,015.06 km) |
| Opfikon to Chillum (Maryland) | 4,127.29 mi (6,642.22 km) |
| Opfikon to Chino (California) | 5,900.82 mi (9,496.45 km) |
| Opfikon to Chino Hills (California) | 5,904.60 mi (9,502.53 km) |
| Opfikon to Chino Valley (Arizona) | 5,686.93 mi (9,152.24 km) |
| Opfikon to Chippewa Falls (Wisconsin) | 4,426.27 mi (7,123.39 km) |
| Opfikon to Choctaw (Oklahoma) | 5,106.54 mi (8,218.18 km) |
| Opfikon to Chowchilla (California) | 5,796.72 mi (9,328.91 km) |
| Opfikon to Christiansburg (Virginia) | 4,351.22 mi (7,002.61 km) |
| Opfikon to Chubbuck (Idaho) | 5,233.34 mi (8,422.24 km) |
| Opfikon to Chula Vista (California) | 5,958.42 mi (9,589.16 km) |
| Opfikon to Cibolo (Texas) | 5,447.40 mi (8,766.75 km) |
