| Grayslake to Cabestany | 4,382.39 mi (7,052.78 km) |
| Grayslake to Cabries | 4,453.61 mi (7,167.40 km) |
| Grayslake to Cachan | 4,129.09 mi (6,645.13 km) |
| Grayslake to Caen | 4,009.81 mi (6,453.17 km) |
| Grayslake to Cagnes-sur-Mer | 4,516.74 mi (7,269.00 km) |
| Grayslake to Cahors | 4,252.26 mi (6,843.36 km) |
| Grayslake to Calais | 4,035.25 mi (6,494.10 km) |
| Grayslake to Caluire-et-Cuire | 4,339.84 mi (6,984.29 km) |
| Grayslake to Cambrai | 4,114.43 mi (6,621.53 km) |
| Grayslake to Canet-en-Roussillon | 4,384.12 mi (7,055.56 km) |
| Grayslake to Cannes | 4,515.81 mi (7,267.50 km) |
| Grayslake to Canteleu | 4,055.46 mi (6,526.64 km) |
| Grayslake to Capbreton | 4,161.36 mi (6,697.06 km) |
| Grayslake to Carcassonne | 4,337.08 mi (6,979.85 km) |
| Grayslake to Carmaux | 4,297.04 mi (6,915.41 km) |
