| Knokke-Heist to Cicero (Illinois) | 4,088.50 mi (6,579.81 km) |
| Knokke-Heist to Cimarron Hills (Colorado) | 4,846.16 mi (7,799.15 km) |
| Knokke-Heist to Cincinnati (Ohio) | 4,092.46 mi (6,586.18 km) |
| Knokke-Heist to Cinco Ranch (Texas) | 5,003.61 mi (8,052.54 km) |
| Knokke-Heist to Circleville (Ohio) | 4,009.16 mi (6,452.12 km) |
| Knokke-Heist to Citrus (California) | 5,541.12 mi (8,917.58 km) |
| Knokke-Heist to Citrus Heights (California) | 5,374.72 mi (8,649.78 km) |
| Knokke-Heist to Citrus Park (Florida) | 4,557.41 mi (7,334.44 km) |
| Knokke-Heist to Claiborne (Louisiana) | 4,719.42 mi (7,595.17 km) |
| Knokke-Heist to Claremont (California) | 5,535.15 mi (8,907.97 km) |
| Knokke-Heist to Claremont (New Hampshire) | 3,422.15 mi (5,507.42 km) |
| Knokke-Heist to Claremore (Oklahoma) | 4,655.54 mi (7,492.36 km) |
| Knokke-Heist to Clarksburg (Maryland) | 3,801.80 mi (6,118.41 km) |
| Knokke-Heist to Clarksburg (West Virginia) | 3,921.20 mi (6,310.56 km) |
| Knokke-Heist to Clarksdale (Mississippi) | 4,571.59 mi (7,357.27 km) |
