| Kennewick to Castrovillari | 5,886.37 mi (9,473.20 km) |
| Kennewick to Catania | 5,996.24 mi (9,650.01 km) |
| Kennewick to Catanzaro | 5,952.11 mi (9,579.00 km) |
| Kennewick to Cattolica | 5,548.91 mi (8,930.11 km) |
| Kennewick to Cava de' Tirreni | 5,794.20 mi (9,324.86 km) |
| Kennewick to Cavallino | 5,906.72 mi (9,505.94 km) |
| Kennewick to Cavarzere | 5,463.27 mi (8,792.29 km) |
| Kennewick to Cave | 5,681.03 mi (9,142.74 km) |
| Kennewick to Cavriago | 5,448.12 mi (8,767.90 km) |
| Kennewick to Cavriglia | 5,542.39 mi (8,919.62 km) |
| Kennewick to Cazzago San Martino | 5,383.57 mi (8,664.02 km) |
| Kennewick to Ceccano | 5,706.48 mi (9,183.69 km) |
| Kennewick to Cecina | 5,528.01 mi (8,896.47 km) |
| Kennewick to Cefalu | 5,934.96 mi (9,551.40 km) |
| Kennewick to Ceglie Messapico | 5,869.02 mi (9,445.27 km) |
