| Rock Island to Campo de Criptana | 4,388.59 mi (7,062.75 km) |
| Rock Island to Campos del Puerto | 4,657.10 mi (7,494.87 km) |
| Rock Island to Canals | 4,518.07 mi (7,271.13 km) |
| Rock Island to Candelaria | 4,173.32 mi (6,716.31 km) |
| Rock Island to Canet de Mar | 4,551.88 mi (7,325.54 km) |
| Rock Island to Cangas | 4,032.83 mi (6,490.21 km) |
| Rock Island to Cangas de Narcea | 4,100.69 mi (6,599.43 km) |
| Rock Island to Canovellas | 4,538.05 mi (7,303.29 km) |
| Rock Island to Canteras | 4,550.59 mi (7,323.47 km) |
| Rock Island to Cantillana | 4,334.11 mi (6,975.07 km) |
| Rock Island to Capdepera | 4,664.01 mi (7,506.01 km) |
| Rock Island to Carballo | 4,005.10 mi (6,445.59 km) |
| Rock Island to Carcagente | 4,517.78 mi (7,270.67 km) |
| Rock Island to Cardedeu | 4,540.45 mi (7,307.15 km) |
| Rock Island to Carlet | 4,510.52 mi (7,258.98 km) |
