| Castelli Calepio to Cloverly (Maryland) | 4,235.22 mi (6,815.93 km) |
| Castelli Calepio to Clovis (California) | 5,933.66 mi (9,549.30 km) |
| Castelli Calepio to Clovis (New Mexico) | 5,509.64 mi (8,866.91 km) |
| Castelli Calepio to Clute (Texas) | 5,479.58 mi (8,818.53 km) |
| Castelli Calepio to Coachella (California) | 6,003.66 mi (9,661.95 km) |
| Castelli Calepio to Coalinga (California) | 5,992.76 mi (9,644.41 km) |
| Castelli Calepio to Coamo (Puerto Rico) | 4,676.74 mi (7,526.49 km) |
| Castelli Calepio to Coatesville (Pennsylvania) | 4,148.54 mi (6,676.43 km) |
| Castelli Calepio to Cockeysville (Maryland) | 4,203.85 mi (6,765.45 km) |
| Castelli Calepio to Cocoa (Florida) | 4,875.94 mi (7,847.06 km) |
| Castelli Calepio to Cocoa Beach (Florida) | 4,871.91 mi (7,840.58 km) |
| Castelli Calepio to Coconut Creek (Florida) | 4,947.28 mi (7,961.88 km) |
| Castelli Calepio to Coeur d'Alene (Idaho) | 5,227.91 mi (8,413.50 km) |
| Castelli Calepio to Cohoes (New York) | 3,947.84 mi (6,353.44 km) |
| Castelli Calepio to Cold Springs (Nevada) | 5,775.69 mi (9,295.08 km) |
