| Grinon to Cicero (Illinois) | 4,186.17 mi (6,736.99 km) |
| Grinon to Cimarron Hills (Colorado) | 5,040.44 mi (8,111.80 km) |
| Grinon to Cincinnati (Ohio) | 4,128.51 mi (6,644.19 km) |
| Grinon to Cinco Ranch (Texas) | 5,019.71 mi (8,078.45 km) |
| Grinon to Circleville (Ohio) | 4,039.43 mi (6,500.84 km) |
| Grinon to Citrus (California) | 5,803.50 mi (9,339.84 km) |
| Grinon to Citrus Heights (California) | 5,706.14 mi (9,183.15 km) |
| Grinon to Citrus Park (Florida) | 4,433.60 mi (7,135.19 km) |
| Grinon to Claiborne (Louisiana) | 4,735.70 mi (7,621.37 km) |
| Grinon to Claremont (California) | 5,796.04 mi (9,327.82 km) |
| Grinon to Claremont (New Hampshire) | 3,432.86 mi (5,524.65 km) |
| Grinon to Claremore (Oklahoma) | 4,745.69 mi (7,637.45 km) |
| Grinon to Clarksburg (Maryland) | 3,782.86 mi (6,087.93 km) |
| Grinon to Clarksburg (West Virginia) | 3,926.77 mi (6,319.53 km) |
| Grinon to Clarksdale (Mississippi) | 4,593.58 mi (7,392.65 km) |
