| Knokke-Heist to Clarkston (Georgia) | 4,339.82 mi (6,984.26 km) |
| Knokke-Heist to Clarksville (Indiana) | 4,180.71 mi (6,728.20 km) |
| Knokke-Heist to Clarksville (Tennessee) | 4,327.27 mi (6,964.08 km) |
| Knokke-Heist to Clawson (Michigan) | 3,881.94 mi (6,247.38 km) |
| Knokke-Heist to Clay (Alabama) | 4,440.51 mi (7,146.31 km) |
| Knokke-Heist to Clayton (California) | 5,437.35 mi (8,750.57 km) |
| Knokke-Heist to Clayton (Missouri) | 4,340.08 mi (6,984.69 km) |
| Knokke-Heist to Clayton (North Carolina) | 4,015.57 mi (6,462.44 km) |
| Knokke-Heist to Clayton (Ohio) | 4,051.17 mi (6,519.72 km) |
| Knokke-Heist to Clearfield (Utah) | 4,961.79 mi (7,985.23 km) |
| Knokke-Heist to Clearlake (California) | 5,396.92 mi (8,685.50 km) |
| Knokke-Heist to Clearwater (Florida) | 4,570.46 mi (7,355.44 km) |
| Knokke-Heist to Cleburne (Texas) | 4,929.21 mi (7,932.80 km) |
| Knokke-Heist to Clemmons (North Carolina) | 4,076.62 mi (6,560.68 km) |
| Knokke-Heist to Clemson (South Carolina) | 4,239.58 mi (6,822.94 km) |
