| Buffalo Grove to Cividale del Friuli | 4,666.01 mi (7,509.21 km) |
| Buffalo Grove to Civita Castellana | 4,789.92 mi (7,708.63 km) |
| Buffalo Grove to Civitanova Marche | 4,798.42 mi (7,722.30 km) |
| Buffalo Grove to Civitavecchia | 4,774.01 mi (7,683.03 km) |
| Buffalo Grove to Civitella in Val di Chiana | 4,714.26 mi (7,586.87 km) |
| Buffalo Grove to Clusone | 4,541.99 mi (7,309.63 km) |
| Buffalo Grove to Coccaglio | 4,556.22 mi (7,332.53 km) |
| Buffalo Grove to Codigoro | 4,669.64 mi (7,515.07 km) |
| Buffalo Grove to Codogno | 4,562.13 mi (7,342.03 km) |
| Buffalo Grove to Codroipo | 4,654.71 mi (7,491.04 km) |
| Buffalo Grove to Cogoleto | 4,551.87 mi (7,325.52 km) |
| Buffalo Grove to Colle di Val d'Elsa | 4,691.89 mi (7,550.87 km) |
| Buffalo Grove to Colle Salvetti | 4,657.65 mi (7,495.77 km) |
| Buffalo Grove to Collecchio | 4,599.12 mi (7,401.56 km) |
| Buffalo Grove to Colleferro | 4,838.60 mi (7,786.98 km) |
