| Plonsk to Cookeville (Tennessee) | 4,867.75 mi (7,833.88 km) |
| Plonsk to Coolidge (Arizona) | 5,854.11 mi (9,421.29 km) |
| Plonsk to Coon Rapids (Minnesota) | 4,624.71 mi (7,442.76 km) |
| Plonsk to Cooper City (Florida) | 5,226.17 mi (8,410.70 km) |
| Plonsk to Coos Bay (Oregon) | 5,476.87 mi (8,814.18 km) |
| Plonsk to Copiague (New York) | 4,201.84 mi (6,762.20 km) |
| Plonsk to Coppell (Texas) | 5,428.09 mi (8,735.67 km) |
| Plonsk to Copperas Cove (Texas) | 5,564.41 mi (8,955.06 km) |
| Plonsk to Coral Gables (Florida) | 5,244.26 mi (8,439.83 km) |
| Plonsk to Coral Springs (Florida) | 5,212.94 mi (8,389.42 km) |
| Plonsk to Coral Terrace (Florida) | 5,243.22 mi (8,438.14 km) |
| Plonsk to Coralville (Iowa) | 4,764.39 mi (7,667.55 km) |
| Plonsk to Coram (New York) | 4,177.33 mi (6,722.76 km) |
| Plonsk to Corcoran (California) | 5,851.01 mi (9,416.28 km) |
| Plonsk to Cordele (Georgia) | 5,033.99 mi (8,101.43 km) |
