| Sanlucar la Mayor to Carson (California) | 5,860.67 mi (9,431.84 km) |
| Sanlucar la Mayor to Carson City (Nevada) | 5,673.72 mi (9,130.98 km) |
| Sanlucar la Mayor to Carteret (New Jersey) | 3,567.13 mi (5,740.74 km) |
| Sanlucar la Mayor to Cartersville (Georgia) | 4,277.40 mi (6,883.80 km) |
| Sanlucar la Mayor to Carthage (Missouri) | 4,643.53 mi (7,473.05 km) |
| Sanlucar la Mayor to Cary (Illinois) | 4,194.18 mi (6,749.89 km) |
| Sanlucar la Mayor to Cary (North Carolina) | 3,924.55 mi (6,315.95 km) |
| Sanlucar la Mayor to Casa de Oro-Mount Helix (California) | 5,855.12 mi (9,422.90 km) |
| Sanlucar la Mayor to Casa Grande (Arizona) | 5,618.85 mi (9,042.67 km) |
| Sanlucar la Mayor to Casas Adobes (Arizona) | 5,609.55 mi (9,027.71 km) |
| Sanlucar la Mayor to Cascades (Virginia) | 3,761.85 mi (6,054.12 km) |
| Sanlucar la Mayor to Casper (Wyoming) | 4,968.70 mi (7,996.35 km) |
| Sanlucar la Mayor to Casselberry (Florida) | 4,280.35 mi (6,888.55 km) |
| Sanlucar la Mayor to Castaic (California) | 5,846.52 mi (9,409.07 km) |
| Sanlucar la Mayor to Castle Pines (Colorado) | 5,039.55 mi (8,110.37 km) |
