| Knokke-Heist to Crest Hill (Illinois) | 4,114.66 mi (6,621.90 km) |
| Knokke-Heist to Crestview (Florida) | 4,587.17 mi (7,382.34 km) |
| Knokke-Heist to Crestwood (Illinois) | 4,097.21 mi (6,593.83 km) |
| Knokke-Heist to Crestwood (Missouri) | 4,346.21 mi (6,994.56 km) |
| Knokke-Heist to Creve Coeur (Missouri) | 4,343.48 mi (6,990.15 km) |
| Knokke-Heist to Crofton (Maryland) | 3,787.74 mi (6,095.79 km) |
| Knokke-Heist to Crossville (Tennessee) | 4,266.49 mi (6,866.25 km) |
| Knokke-Heist to Crowley (Louisiana) | 4,846.10 mi (7,799.04 km) |
| Knokke-Heist to Crowley (Texas) | 4,915.43 mi (7,910.62 km) |
| Knokke-Heist to Crown Point (Indiana) | 4,093.38 mi (6,587.65 km) |
| Knokke-Heist to Crystal (Minnesota) | 4,139.03 mi (6,661.13 km) |
| Knokke-Heist to Crystal Lake (Illinois) | 4,091.54 mi (6,584.70 km) |
| Knokke-Heist to Cudahy (California) | 5,559.12 mi (8,946.53 km) |
| Knokke-Heist to Cudahy (Wisconsin) | 4,040.36 mi (6,502.32 km) |
| Knokke-Heist to Cullman (Alabama) | 4,425.74 mi (7,122.53 km) |
