| Karhula to Cookeville (Tennessee) | 4,753.17 mi (7,649.48 km) |
| Karhula to Coolidge (Arizona) | 5,565.82 mi (8,957.33 km) |
| Karhula to Coon Rapids (Minnesota) | 4,403.11 mi (7,086.12 km) |
| Karhula to Cooper City (Florida) | 5,212.75 mi (8,389.11 km) |
| Karhula to Coos Bay (Oregon) | 5,076.45 mi (8,169.75 km) |
| Karhula to Copiague (New York) | 4,143.85 mi (6,668.89 km) |
| Karhula to Coppell (Texas) | 5,246.01 mi (8,442.64 km) |
| Karhula to Copperas Cove (Texas) | 5,384.42 mi (8,665.38 km) |
| Karhula to Coral Gables (Florida) | 5,233.00 mi (8,421.70 km) |
| Karhula to Coral Springs (Florida) | 5,198.41 mi (8,366.04 km) |
| Karhula to Coral Terrace (Florida) | 5,231.43 mi (8,419.18 km) |
| Karhula to Coralville (Iowa) | 4,574.04 mi (7,361.20 km) |
| Karhula to Coram (New York) | 4,120.48 mi (6,631.27 km) |
| Karhula to Corcoran (California) | 5,497.82 mi (8,847.89 km) |
| Karhula to Cordele (Georgia) | 4,957.78 mi (7,978.78 km) |
