| Middle River to Campo de Criptana | 3,797.89 mi (6,112.11 km) |
| Middle River to Campos del Puerto | 4,090.13 mi (6,582.43 km) |
| Middle River to Canals | 3,933.12 mi (6,329.75 km) |
| Middle River to Candelaria | 3,464.83 mi (5,576.11 km) |
| Middle River to Canet de Mar | 4,001.81 mi (6,440.30 km) |
| Middle River to Cangas | 3,448.03 mi (5,549.06 km) |
| Middle River to Cangas de Narcea | 3,531.97 mi (5,684.15 km) |
| Middle River to Canovellas | 3,987.04 mi (6,416.52 km) |
| Middle River to Canteras | 3,952.95 mi (6,361.66 km) |
| Middle River to Cantillana | 3,718.97 mi (5,985.10 km) |
| Middle River to Capdepera | 4,100.98 mi (6,599.88 km) |
| Middle River to Carballo | 3,429.75 mi (5,519.65 km) |
| Middle River to Carcagente | 3,934.70 mi (6,332.28 km) |
| Middle River to Cardedeu | 3,989.95 mi (6,421.21 km) |
| Middle River to Carlet | 3,928.03 mi (6,321.55 km) |
