| Knokke-Heist to Carson (California) | 5,568.68 mi (8,961.93 km) |
| Knokke-Heist to Carson City (Nevada) | 5,303.97 mi (8,535.91 km) |
| Knokke-Heist to Carteret (New Jersey) | 3,618.32 mi (5,823.13 km) |
| Knokke-Heist to Cartersville (Georgia) | 4,344.98 mi (6,992.57 km) |
| Knokke-Heist to Carthage (Missouri) | 4,564.87 mi (7,346.45 km) |
| Knokke-Heist to Cary (Illinois) | 4,089.32 mi (6,581.13 km) |
| Knokke-Heist to Cary (North Carolina) | 4,024.85 mi (6,477.36 km) |
| Knokke-Heist to Casa de Oro-Mount Helix (California) | 5,590.60 mi (8,997.19 km) |
| Knokke-Heist to Casa Grande (Arizona) | 5,412.45 mi (8,710.50 km) |
| Knokke-Heist to Casas Adobes (Arizona) | 5,418.91 mi (8,720.90 km) |
| Knokke-Heist to Cascades (Virginia) | 3,814.82 mi (6,139.36 km) |
| Knokke-Heist to Casper (Wyoming) | 4,686.94 mi (7,542.89 km) |
| Knokke-Heist to Casselberry (Florida) | 4,476.06 mi (7,203.52 km) |
| Knokke-Heist to Castaic (California) | 5,542.75 mi (8,920.20 km) |
| Knokke-Heist to Castle Pines (Colorado) | 4,819.69 mi (7,756.54 km) |
