| Buffalo Grove to Carson (California) | 1,736.00 mi (2,793.82 km) |
| Buffalo Grove to Carson City (Nevada) | 1,669.26 mi (2,686.41 km) |
| Buffalo Grove to Carteret (New Jersey) | 719.55 mi (1,158.00 km) |
| Buffalo Grove to Cartersville (Georgia) | 578.88 mi (931.62 km) |
| Buffalo Grove to Carthage (Missouri) | 484.13 mi (779.13 km) |
| Buffalo Grove to Cary (Illinois) | 15.07 mi (24.25 km) |
| Buffalo Grove to Cary (North Carolina) | 659.44 mi (1,061.26 km) |
| Buffalo Grove to Casa de Oro-Mount Helix (California) | 1,707.84 mi (2,748.50 km) |
| Buffalo Grove to Casa Grande (Arizona) | 1,445.82 mi (2,326.82 km) |
| Buffalo Grove to Casas Adobes (Arizona) | 1,431.40 mi (2,303.61 km) |
| Buffalo Grove to Cascades (Virginia) | 594.59 mi (956.91 km) |
| Buffalo Grove to Casper (Wyoming) | 934.48 mi (1,503.90 km) |
| Buffalo Grove to Casselberry (Florida) | 1,004.39 mi (1,616.41 km) |
| Buffalo Grove to Castaic (California) | 1,734.38 mi (2,791.21 km) |
| Buffalo Grove to Castle Pines (Colorado) | 902.13 mi (1,451.84 km) |
