| Castelli Calepio to Castle Rock (Colorado) | 5,311.02 mi (8,547.27 km) |
| Castelli Calepio to Castro Valley (California) | 5,951.52 mi (9,578.05 km) |
| Castelli Calepio to Catalina Foothills (Arizona) | 5,903.09 mi (9,500.11 km) |
| Castelli Calepio to Cataño (Puerto Rico) | 4,649.23 mi (7,482.21 km) |
| Castelli Calepio to Cathedral City (California) | 6,005.78 mi (9,665.36 km) |
| Castelli Calepio to Catonsville (Maryland) | 4,217.65 mi (6,787.65 km) |
| Castelli Calepio to Cave Spring (Virginia) | 4,443.97 mi (7,151.88 km) |
| Castelli Calepio to Cayce (South Carolina) | 4,633.90 mi (7,457.54 km) |
| Castelli Calepio to Cayey (Puerto Rico) | 4,665.25 mi (7,508.00 km) |
| Castelli Calepio to Cedar City (Utah) | 5,679.75 mi (9,140.68 km) |
| Castelli Calepio to Cedar Falls (Iowa) | 4,705.70 mi (7,573.10 km) |
| Castelli Calepio to Cedar Hill (Texas) | 5,364.32 mi (8,633.04 km) |
| Castelli Calepio to Cedar Lake (Indiana) | 4,565.77 mi (7,347.89 km) |
| Castelli Calepio to Cedar Mill (Oregon) | 5,509.84 mi (8,867.22 km) |
| Castelli Calepio to Cedar Park (Texas) | 5,503.58 mi (8,857.16 km) |
