| Opwijk to Carson (California) | 5,614.54 mi (9,035.73 km) |
| Opwijk to Carson City (Nevada) | 5,349.11 mi (8,608.57 km) |
| Opwijk to Carteret (New Jersey) | 3,663.86 mi (5,896.42 km) |
| Opwijk to Cartersville (Georgia) | 4,390.71 mi (7,066.17 km) |
| Opwijk to Carthage (Missouri) | 4,611.48 mi (7,421.47 km) |
| Opwijk to Cary (Illinois) | 4,135.95 mi (6,656.16 km) |
| Opwijk to Cary (North Carolina) | 4,070.11 mi (6,550.20 km) |
| Opwijk to Casa de Oro-Mount Helix (California) | 5,636.66 mi (9,071.34 km) |
| Opwijk to Casa Grande (Arizona) | 5,458.90 mi (8,785.26 km) |
| Opwijk to Casas Adobes (Arizona) | 5,465.43 mi (8,795.76 km) |
| Opwijk to Cascades (Virginia) | 3,860.45 mi (6,212.79 km) |
| Opwijk to Casper (Wyoming) | 4,733.12 mi (7,617.21 km) |
| Opwijk to Casselberry (Florida) | 4,520.41 mi (7,274.89 km) |
| Opwijk to Castaic (California) | 5,588.51 mi (8,993.84 km) |
| Opwijk to Castle Pines (Colorado) | 4,866.18 mi (7,831.35 km) |
