| Keystone to Campo de Criptana | 4,486.55 mi (7,220.41 km) |
| Keystone to Campos del Puerto | 4,796.55 mi (7,719.30 km) |
| Keystone to Canals | 4,624.96 mi (7,443.16 km) |
| Keystone to Candelaria | 3,975.47 mi (6,397.90 km) |
| Keystone to Canet de Mar | 4,724.94 mi (7,604.05 km) |
| Keystone to Cangas | 4,150.25 mi (6,679.17 km) |
| Keystone to Cangas de Narcea | 4,247.63 mi (6,835.90 km) |
| Keystone to Canovellas | 4,709.62 mi (7,579.40 km) |
| Keystone to Canteras | 4,630.94 mi (7,452.78 km) |
| Keystone to Cantillana | 4,381.99 mi (7,052.13 km) |
| Keystone to Capdepera | 4,810.84 mi (7,742.29 km) |
| Keystone to Carballo | 4,141.46 mi (6,665.04 km) |
| Keystone to Carcagente | 4,628.39 mi (7,448.68 km) |
| Keystone to Cardedeu | 4,712.91 mi (7,584.70 km) |
| Keystone to Carlet | 4,622.46 mi (7,439.13 km) |
