| Kennewick to Cocentaina | 5,452.83 mi (8,775.48 km) |
| Kennewick to Coin | 5,415.50 mi (8,715.41 km) |
| Kennewick to Colindres | 5,104.98 mi (8,215.66 km) |
| Kennewick to Collado-Villalba | 5,231.83 mi (8,419.81 km) |
| Kennewick to Colmenar Viejo | 5,238.69 mi (8,430.85 km) |
| Kennewick to Colmenarejo | 5,235.36 mi (8,425.50 km) |
| Kennewick to Conil de la Frontera | 5,388.62 mi (8,672.15 km) |
| Kennewick to Consuegra | 5,307.44 mi (8,541.50 km) |
| Kennewick to Corbera de Llobregat | 5,383.67 mi (8,664.17 km) |
| Kennewick to Cordoba | 5,350.13 mi (8,610.20 km) |
| Kennewick to Coria del Rio | 5,336.56 mi (8,588.36 km) |
| Kennewick to Crevillente | 5,467.43 mi (8,798.97 km) |
| Kennewick to Cuarte de Huerva | 5,283.73 mi (8,503.35 km) |
| Kennewick to Cubellas | 5,386.91 mi (8,669.39 km) |
| Kennewick to Cuellar | 5,181.13 mi (8,338.22 km) |
