| River Grove to Cadiz | 4,210.64 mi (6,776.37 km) |
| River Grove to Calafell | 4,388.75 mi (7,063.02 km) |
| River Grove to Calahorra | 4,194.37 mi (6,750.18 km) |
| River Grove to Calasparra | 4,358.01 mi (7,013.54 km) |
| River Grove to Calatayud | 4,243.70 mi (6,829.57 km) |
| River Grove to Caldas de Montbuy | 4,397.87 mi (7,077.69 km) |
| River Grove to Caldas de Reyes | 3,889.68 mi (6,259.84 km) |
| River Grove to Calella | 4,419.76 mi (7,112.91 km) |
| River Grove to Callosa de Segura | 4,399.18 mi (7,079.80 km) |
| River Grove to Calpe | 4,420.39 mi (7,113.94 km) |
| River Grove to Calvia | 4,493.13 mi (7,230.99 km) |
| River Grove to Camas | 4,190.76 mi (6,744.37 km) |
| River Grove to Cambados | 3,885.85 mi (6,253.66 km) |
| River Grove to Cambre | 3,880.91 mi (6,245.72 km) |
| River Grove to Cambrils | 4,371.66 mi (7,035.50 km) |
