| Issum to Cloverly (Maryland) | 3,916.81 mi (6,303.50 km) |
| Issum to Clovis (California) | 5,518.11 mi (8,880.54 km) |
| Issum to Clovis (New Mexico) | 5,133.64 mi (8,261.80 km) |
| Issum to Clute (Texas) | 5,142.22 mi (8,275.60 km) |
| Issum to Coachella (California) | 5,599.17 mi (9,010.99 km) |
| Issum to Coalinga (California) | 5,577.02 mi (8,975.35 km) |
| Issum to Coamo (Puerto Rico) | 4,511.49 mi (7,260.55 km) |
| Issum to Coatesville (Pennsylvania) | 3,829.50 mi (6,162.99 km) |
| Issum to Cockeysville (Maryland) | 3,884.80 mi (6,251.98 km) |
| Issum to Cocoa (Florida) | 4,593.50 mi (7,392.52 km) |
| Issum to Cocoa Beach (Florida) | 4,590.23 mi (7,387.26 km) |
| Issum to Coconut Creek (Florida) | 4,676.59 mi (7,526.25 km) |
| Issum to Coeur d'Alene (Idaho) | 4,803.32 mi (7,730.19 km) |
| Issum to Cohoes (New York) | 3,621.19 mi (5,827.74 km) |
| Issum to Cold Springs (Nevada) | 5,356.20 mi (8,619.97 km) |
