| Sanlucar de Barrameda to Clarkston (Georgia) | 4,269.26 mi (6,870.71 km) |
| Sanlucar de Barrameda to Clarksville (Indiana) | 4,206.69 mi (6,770.01 km) |
| Sanlucar de Barrameda to Clarksville (Tennessee) | 4,337.89 mi (6,981.17 km) |
| Sanlucar de Barrameda to Clawson (Michigan) | 3,962.78 mi (6,377.47 km) |
| Sanlucar de Barrameda to Clay (Alabama) | 4,393.46 mi (7,070.60 km) |
| Sanlucar de Barrameda to Clayton (California) | 5,840.81 mi (9,399.87 km) |
| Sanlucar de Barrameda to Clayton (Missouri) | 4,417.42 mi (7,109.14 km) |
| Sanlucar de Barrameda to Clayton (North Carolina) | 3,917.75 mi (6,305.01 km) |
| Sanlucar de Barrameda to Clayton (Ohio) | 4,091.69 mi (6,584.94 km) |
| Sanlucar de Barrameda to Clearfield (Utah) | 5,297.94 mi (8,526.21 km) |
| Sanlucar de Barrameda to Clearlake (California) | 5,819.79 mi (9,366.05 km) |
| Sanlucar de Barrameda to Clearwater (Florida) | 4,383.81 mi (7,055.05 km) |
| Sanlucar de Barrameda to Cleburne (Texas) | 4,979.93 mi (8,014.43 km) |
| Sanlucar de Barrameda to Clemmons (North Carolina) | 4,005.80 mi (6,446.70 km) |
| Sanlucar de Barrameda to Clemson (South Carolina) | 4,169.30 mi (6,709.85 km) |
