| Sanlucar la Mayor to Cloverly (Maryland) | 3,741.03 mi (6,020.60 km) |
| Sanlucar la Mayor to Clovis (California) | 5,780.11 mi (9,302.19 km) |
| Sanlucar la Mayor to Clovis (New Mexico) | 5,162.53 mi (8,308.29 km) |
| Sanlucar la Mayor to Clute (Texas) | 4,994.27 mi (8,037.50 km) |
| Sanlucar la Mayor to Coachella (California) | 5,776.95 mi (9,297.10 km) |
| Sanlucar la Mayor to Coalinga (California) | 5,838.49 mi (9,396.14 km) |
| Sanlucar la Mayor to Coamo (Puerto Rico) | 3,845.25 mi (6,188.33 km) |
| Sanlucar la Mayor to Coatesville (Pennsylvania) | 3,660.23 mi (5,890.56 km) |
| Sanlucar la Mayor to Cockeysville (Maryland) | 3,713.00 mi (5,975.50 km) |
| Sanlucar la Mayor to Cocoa (Florida) | 4,260.62 mi (6,856.80 km) |
| Sanlucar la Mayor to Cocoa Beach (Florida) | 4,254.88 mi (6,847.57 km) |
| Sanlucar la Mayor to Coconut Creek (Florida) | 4,302.06 mi (6,923.50 km) |
| Sanlucar la Mayor to Coeur d'Alene (Idaho) | 5,173.04 mi (8,325.20 km) |
| Sanlucar la Mayor to Cohoes (New York) | 3,492.47 mi (5,620.58 km) |
| Sanlucar la Mayor to Cold Springs (Nevada) | 5,657.37 mi (9,104.65 km) |
