| Grinon to Cookeville (Tennessee) | 4,280.07 mi (6,888.11 km) |
| Grinon to Coolidge (Arizona) | 5,596.40 mi (9,006.53 km) |
| Grinon to Coon Rapids (Minnesota) | 4,312.57 mi (6,940.40 km) |
| Grinon to Cooper City (Florida) | 4,395.30 mi (7,073.56 km) |
| Grinon to Coos Bay (Oregon) | 5,571.22 mi (8,966.01 km) |
| Grinon to Copiague (New York) | 3,554.70 mi (5,720.73 km) |
| Grinon to Coppell (Texas) | 4,944.68 mi (7,957.69 km) |
| Grinon to Copperas Cove (Texas) | 5,064.50 mi (8,150.52 km) |
| Grinon to Coral Gables (Florida) | 4,407.82 mi (7,093.70 km) |
| Grinon to Coral Springs (Florida) | 4,385.26 mi (7,057.40 km) |
| Grinon to Coral Terrace (Florida) | 4,407.88 mi (7,093.81 km) |
| Grinon to Coralville (Iowa) | 4,362.01 mi (7,019.97 km) |
| Grinon to Coram (New York) | 3,530.35 mi (5,681.55 km) |
| Grinon to Corcoran (California) | 5,771.85 mi (9,288.89 km) |
| Grinon to Cordele (Georgia) | 4,347.76 mi (6,997.04 km) |
