| Circleville to Cocentaina | 4,247.72 mi (6,836.04 km) |
| Circleville to Coin | 4,112.40 mi (6,618.26 km) |
| Circleville to Colindres | 3,959.43 mi (6,372.09 km) |
| Circleville to Collado-Villalba | 4,018.84 mi (6,467.70 km) |
| Circleville to Colmenar Viejo | 4,029.34 mi (6,484.60 km) |
| Circleville to Colmenarejo | 4,020.73 mi (6,470.73 km) |
| Circleville to Conil de la Frontera | 4,060.80 mi (6,535.23 km) |
| Circleville to Consuegra | 4,075.11 mi (6,558.25 km) |
| Circleville to Corbera de Llobregat | 4,265.94 mi (6,865.37 km) |
| Circleville to Cordoba | 4,070.65 mi (6,551.08 km) |
| Circleville to Coria del Rio | 4,029.00 mi (6,484.05 km) |
| Circleville to Crevillente | 4,247.38 mi (6,835.50 km) |
| Circleville to Cuarte de Huerva | 4,131.15 mi (6,648.45 km) |
| Circleville to Cubellas | 4,261.30 mi (6,857.90 km) |
| Circleville to Cuellar | 3,980.69 mi (6,406.30 km) |
