| Guardiagrele to Cloverly (Maryland) | 4,539.51 mi (7,305.64 km) |
| Guardiagrele to Clovis (California) | 6,252.15 mi (10,061.87 km) |
| Guardiagrele to Clovis (New Mexico) | 5,827.39 mi (9,378.28 km) |
| Guardiagrele to Clute (Texas) | 5,788.12 mi (9,315.09 km) |
| Guardiagrele to Coachella (California) | 6,323.52 mi (10,176.73 km) |
| Guardiagrele to Coalinga (California) | 6,311.22 mi (10,156.93 km) |
| Guardiagrele to Coamo (Puerto Rico) | 4,913.51 mi (7,907.54 km) |
| Guardiagrele to Coatesville (Pennsylvania) | 4,453.17 mi (7,166.68 km) |
| Guardiagrele to Cockeysville (Maryland) | 4,508.40 mi (7,255.56 km) |
| Guardiagrele to Cocoa (Florida) | 5,166.18 mi (8,314.17 km) |
| Guardiagrele to Cocoa Beach (Florida) | 5,161.86 mi (8,307.21 km) |
| Guardiagrele to Coconut Creek (Florida) | 5,232.63 mi (8,421.11 km) |
| Guardiagrele to Coeur d'Alene (Idaho) | 5,543.24 mi (8,920.98 km) |
| Guardiagrele to Cohoes (New York) | 4,255.09 mi (6,847.91 km) |
| Guardiagrele to Cold Springs (Nevada) | 6,093.12 mi (9,805.93 km) |
