| Trecastagni to Cloverly (Maryland) | 4,749.21 mi (7,643.11 km) |
| Trecastagni to Clovis (California) | 6,537.95 mi (10,521.82 km) |
| Trecastagni to Clovis (New Mexico) | 6,077.03 mi (9,780.04 km) |
| Trecastagni to Clute (Texas) | 6,005.27 mi (9,664.56 km) |
| Trecastagni to Coachella (California) | 6,598.12 mi (10,618.65 km) |
| Trecastagni to Coalinga (California) | 6,597.16 mi (10,617.11 km) |
| Trecastagni to Coamo (Puerto Rico) | 5,006.46 mi (8,057.12 km) |
| Trecastagni to Coatesville (Pennsylvania) | 4,663.94 mi (7,505.88 km) |
| Trecastagni to Cockeysville (Maryland) | 4,718.79 mi (7,594.16 km) |
| Trecastagni to Cocoa (Florida) | 5,343.94 mi (8,600.24 km) |
| Trecastagni to Cocoa Beach (Florida) | 5,339.07 mi (8,592.40 km) |
| Trecastagni to Coconut Creek (Florida) | 5,400.86 mi (8,691.85 km) |
| Trecastagni to Coeur d'Alene (Idaho) | 5,839.18 mi (9,397.24 km) |
| Trecastagni to Cohoes (New York) | 4,472.90 mi (7,198.43 km) |
| Trecastagni to Cold Springs (Nevada) | 6,383.21 mi (10,272.78 km) |
