| Kennewick to Cadiz | 5,366.80 mi (8,637.03 km) |
| Kennewick to Calafell | 5,384.14 mi (8,664.94 km) |
| Kennewick to Calahorra | 5,211.26 mi (8,386.71 km) |
| Kennewick to Calasparra | 5,438.26 mi (8,752.03 km) |
| Kennewick to Calatayud | 5,272.91 mi (8,485.93 km) |
| Kennewick to Caldas de Montbuy | 5,379.19 mi (8,656.96 km) |
| Kennewick to Caldas de Reyes | 4,971.31 mi (8,000.55 km) |
| Kennewick to Calella | 5,395.53 mi (8,683.26 km) |
| Kennewick to Callosa de Segura | 5,471.87 mi (8,806.13 km) |
| Kennewick to Calpe | 5,474.39 mi (8,810.19 km) |
| Kennewick to Calvia | 5,503.94 mi (8,857.74 km) |
| Kennewick to Camas | 5,330.95 mi (8,579.33 km) |
| Kennewick to Cambados | 4,970.89 mi (7,999.88 km) |
| Kennewick to Cambre | 4,947.46 mi (7,962.16 km) |
| Kennewick to Cambrils | 5,375.16 mi (8,650.48 km) |
