| Willebroek to Cicero (Illinois) | 4,138.44 mi (6,660.18 km) |
| Willebroek to Cimarron Hills (Colorado) | 4,894.58 mi (7,877.06 km) |
| Willebroek to Cincinnati (Ohio) | 4,142.80 mi (6,667.19 km) |
| Willebroek to Cinco Ranch (Texas) | 5,053.93 mi (8,133.51 km) |
| Willebroek to Circleville (Ohio) | 4,059.52 mi (6,533.17 km) |
| Willebroek to Citrus (California) | 5,587.79 mi (8,992.68 km) |
| Willebroek to Citrus Heights (California) | 5,419.60 mi (8,722.01 km) |
| Willebroek to Citrus Park (Florida) | 4,607.57 mi (7,415.16 km) |
| Willebroek to Claiborne (Louisiana) | 4,769.76 mi (7,676.19 km) |
| Willebroek to Claremont (California) | 5,581.86 mi (8,983.13 km) |
| Willebroek to Claremont (New Hampshire) | 3,472.60 mi (5,588.61 km) |
| Willebroek to Claremore (Oklahoma) | 4,705.41 mi (7,572.62 km) |
| Willebroek to Clarksburg (Maryland) | 3,852.25 mi (6,199.60 km) |
| Willebroek to Clarksburg (West Virginia) | 3,971.64 mi (6,391.73 km) |
| Willebroek to Clarksdale (Mississippi) | 4,621.93 mi (7,438.28 km) |
