| Box Elder to Cloverly (Maryland) | 1,384.68 mi (2,228.42 km) |
| Box Elder to Clovis (California) | 1,004.60 mi (1,616.74 km) |
| Box Elder to Clovis (New Mexico) | 668.46 mi (1,075.79 km) |
| Box Elder to Clute (Texas) | 1,124.93 mi (1,810.40 km) |
| Box Elder to Coachella (California) | 1,003.42 mi (1,614.84 km) |
| Box Elder to Coalinga (California) | 1,061.23 mi (1,707.88 km) |
| Box Elder to Coamo (Puerto Rico) | 2,781.83 mi (4,476.93 km) |
| Box Elder to Coatesville (Pennsylvania) | 1,420.61 mi (2,286.25 km) |
| Box Elder to Cockeysville (Maryland) | 1,393.13 mi (2,242.02 km) |
| Box Elder to Cocoa (Florida) | 1,641.60 mi (2,641.90 km) |
| Box Elder to Cocoa Beach (Florida) | 1,649.88 mi (2,655.22 km) |
| Box Elder to Coconut Creek (Florida) | 1,774.28 mi (2,855.43 km) |
| Box Elder to Coeur d'Alene (Idaho) | 703.19 mi (1,131.68 km) |
| Box Elder to Cohoes (New York) | 1,468.65 mi (2,363.57 km) |
| Box Elder to Cold Springs (Nevada) | 918.93 mi (1,478.87 km) |
