| Carol Stream to Carson (California) | 1,724.69 mi (2,775.62 km) |
| Carol Stream to Carson City (Nevada) | 1,661.74 mi (2,674.31 km) |
| Carol Stream to Carteret (New Jersey) | 727.20 mi (1,170.31 km) |
| Carol Stream to Cartersville (Georgia) | 565.41 mi (909.94 km) |
| Carol Stream to Carthage (Missouri) | 465.99 mi (749.95 km) |
| Carol Stream to Cary (Illinois) | 21.26 mi (34.21 km) |
| Carol Stream to Cary (North Carolina) | 655.63 mi (1,055.14 km) |
| Carol Stream to Casa de Oro-Mount Helix (California) | 1,695.60 mi (2,728.81 km) |
| Carol Stream to Casa Grande (Arizona) | 1,432.18 mi (2,304.87 km) |
| Carol Stream to Casas Adobes (Arizona) | 1,417.22 mi (2,280.79 km) |
| Carol Stream to Cascades (Virginia) | 597.93 mi (962.28 km) |
| Carol Stream to Casper (Wyoming) | 928.78 mi (1,494.72 km) |
| Carol Stream to Casselberry (Florida) | 992.26 mi (1,596.89 km) |
| Carol Stream to Castaic (California) | 1,723.54 mi (2,773.77 km) |
| Carol Stream to Castle Pines (Colorado) | 891.74 mi (1,435.11 km) |
