| Napa to Carmona | 5,832.11 mi (9,385.88 km) |
| Napa to Cartagena | 6,000.85 mi (9,657.44 km) |
| Napa to Cartama | 5,908.07 mi (9,508.12 km) |
| Napa to Cartaya | 5,781.94 mi (9,305.13 km) |
| Napa to Caspe | 5,848.12 mi (9,411.63 km) |
| Napa to Cassa de la Selva | 5,912.34 mi (9,515.00 km) |
| Napa to Castalla | 5,961.11 mi (9,593.48 km) |
| Napa to Castellbisbal | 5,904.30 mi (9,502.06 km) |
| Napa to Castelldefels | 5,914.44 mi (9,518.37 km) |
| Napa to Castello de Ampurias | 5,899.42 mi (9,494.21 km) |
| Napa to Castellon de la Plana | 5,912.56 mi (9,515.34 km) |
| Napa to Castilleja de la Cuesta | 5,820.05 mi (9,366.47 km) |
| Napa to Catarroja | 5,929.27 mi (9,542.24 km) |
| Napa to Catral | 5,978.67 mi (9,621.74 km) |
| Napa to Caudete | 5,944.10 mi (9,566.11 km) |
