| Mentor to Cocentaina | 4,107.04 mi (6,609.65 km) |
| Mentor to Coin | 3,978.39 mi (6,402.61 km) |
| Mentor to Colindres | 3,813.53 mi (6,137.28 km) |
| Mentor to Collado-Villalba | 3,877.60 mi (6,240.39 km) |
| Mentor to Colmenar Viejo | 3,887.90 mi (6,256.97 km) |
| Mentor to Colmenarejo | 3,879.61 mi (6,243.62 km) |
| Mentor to Conil de la Frontera | 3,928.60 mi (6,322.47 km) |
| Mentor to Consuegra | 3,935.50 mi (6,333.58 km) |
| Mentor to Corbera de Llobregat | 4,119.81 mi (6,630.19 km) |
| Mentor to Cordoba | 3,934.56 mi (6,332.06 km) |
| Mentor to Coria del Rio | 3,894.95 mi (6,268.31 km) |
| Mentor to Crevillente | 4,107.74 mi (6,610.77 km) |
| Mentor to Cuarte de Huerva | 3,986.50 mi (6,415.65 km) |
| Mentor to Cubellas | 4,115.61 mi (6,623.44 km) |
| Mentor to Cuellar | 3,838.40 mi (6,177.31 km) |
