| Planken to Cookeville (Tennessee) | 4,656.28 mi (7,493.55 km) |
| Planken to Coolidge (Arizona) | 5,803.80 mi (9,340.31 km) |
| Planken to Coon Rapids (Minnesota) | 4,529.60 mi (7,289.69 km) |
| Planken to Cooper City (Florida) | 4,912.12 mi (7,905.30 km) |
| Planken to Coos Bay (Oregon) | 5,573.84 mi (8,970.22 km) |
| Planken to Copiague (New York) | 3,952.93 mi (6,361.63 km) |
| Planken to Coppell (Texas) | 5,271.40 mi (8,483.50 km) |
| Planken to Copperas Cove (Texas) | 5,402.48 mi (8,694.45 km) |
| Planken to Coral Gables (Florida) | 4,927.95 mi (7,930.76 km) |
| Planken to Coral Springs (Florida) | 4,900.16 mi (7,886.05 km) |
| Planken to Coral Terrace (Florida) | 4,927.38 mi (7,929.86 km) |
| Planken to Coralville (Iowa) | 4,632.40 mi (7,455.12 km) |
| Planken to Coram (New York) | 3,928.04 mi (6,321.56 km) |
| Planken to Corcoran (California) | 5,878.87 mi (9,461.12 km) |
| Planken to Cordele (Georgia) | 4,781.64 mi (7,695.31 km) |
