| Rock Island to Cabestany | 4,524.03 mi (7,280.72 km) |
| Rock Island to Cabries | 4,594.32 mi (7,393.84 km) |
| Rock Island to Cachan | 4,267.47 mi (6,867.82 km) |
| Rock Island to Caen | 4,148.65 mi (6,676.60 km) |
| Rock Island to Cagnes-sur-Mer | 4,656.87 mi (7,494.50 km) |
| Rock Island to Cahors | 4,393.42 mi (7,070.53 km) |
| Rock Island to Calais | 4,172.16 mi (6,714.44 km) |
| Rock Island to Caluire-et-Cuire | 4,479.42 mi (7,208.93 km) |
| Rock Island to Cambrai | 4,251.53 mi (6,842.18 km) |
| Rock Island to Canet-en-Roussillon | 4,525.73 mi (7,283.46 km) |
| Rock Island to Cannes | 4,656.03 mi (7,493.16 km) |
| Rock Island to Canteleu | 4,193.74 mi (6,749.16 km) |
| Rock Island to Capbreton | 4,303.47 mi (6,925.77 km) |
| Rock Island to Carcassonne | 4,478.61 mi (7,207.62 km) |
| Rock Island to Carmaux | 4,438.22 mi (7,142.63 km) |
