| Kennewick to Carmona | 5,341.85 mi (8,596.88 km) |
| Kennewick to Cartagena | 5,496.73 mi (8,846.13 km) |
| Kennewick to Cartama | 5,417.39 mi (8,718.45 km) |
| Kennewick to Cartaya | 5,296.88 mi (8,524.51 km) |
| Kennewick to Caspe | 5,331.18 mi (8,579.71 km) |
| Kennewick to Cassa de la Selva | 5,386.98 mi (8,669.50 km) |
| Kennewick to Castalla | 5,453.19 mi (8,776.06 km) |
| Kennewick to Castellbisbal | 5,381.97 mi (8,661.45 km) |
| Kennewick to Castelldefels | 5,392.62 mi (8,678.58 km) |
| Kennewick to Castello de Ampurias | 5,372.74 mi (8,646.59 km) |
| Kennewick to Castellon de la Plana | 5,399.04 mi (8,688.92 km) |
| Kennewick to Castilleja de la Cuesta | 5,331.32 mi (8,579.93 km) |
| Kennewick to Catarroja | 5,418.33 mi (8,719.97 km) |
| Kennewick to Catral | 5,472.39 mi (8,806.96 km) |
| Kennewick to Caudete | 5,436.72 mi (8,749.56 km) |
