| Oconomowoc to Cocentaina | 4,384.04 mi (7,055.42 km) |
| Oconomowoc to Coin | 4,273.18 mi (6,877.02 km) |
| Oconomowoc to Colindres | 4,075.53 mi (6,558.94 km) |
| Oconomowoc to Collado-Villalba | 4,153.84 mi (6,684.97 km) |
| Oconomowoc to Colmenar Viejo | 4,163.53 mi (6,700.55 km) |
| Oconomowoc to Colmenarejo | 4,156.20 mi (6,688.76 km) |
| Oconomowoc to Conil de la Frontera | 4,227.72 mi (6,803.86 km) |
| Oconomowoc to Consuegra | 4,216.15 mi (6,785.24 km) |
| Oconomowoc to Corbera de Llobregat | 4,379.75 mi (7,048.53 km) |
| Oconomowoc to Cordoba | 4,224.40 mi (6,798.52 km) |
| Oconomowoc to Coria del Rio | 4,189.89 mi (6,742.98 km) |
| Oconomowoc to Crevillente | 4,387.65 mi (7,061.23 km) |
| Oconomowoc to Cuarte de Huerva | 4,251.89 mi (6,842.75 km) |
| Oconomowoc to Cubellas | 4,377.07 mi (7,044.21 km) |
| Oconomowoc to Cuellar | 4,111.74 mi (6,617.20 km) |
