| Sierning to Cloverly (Maryland) | 4,338.51 mi (6,982.16 km) |
| Sierning to Clovis (California) | 5,924.89 mi (9,535.19 km) |
| Sierning to Clovis (New Mexico) | 5,558.47 mi (8,945.49 km) |
| Sierning to Clute (Texas) | 5,567.44 mi (8,959.93 km) |
| Sierning to Coachella (California) | 6,014.04 mi (9,678.66 km) |
| Sierning to Coalinga (California) | 5,983.55 mi (9,629.59 km) |
| Sierning to Coamo (Puerto Rico) | 4,871.34 mi (7,839.66 km) |
| Sierning to Coatesville (Pennsylvania) | 4,251.27 mi (6,841.76 km) |
| Sierning to Cockeysville (Maryland) | 4,306.61 mi (6,930.81 km) |
| Sierning to Cocoa (Florida) | 5,006.20 mi (8,056.70 km) |
| Sierning to Cocoa Beach (Florida) | 5,002.69 mi (8,051.05 km) |
| Sierning to Coconut Creek (Florida) | 5,085.45 mi (8,184.25 km) |
| Sierning to Coeur d'Alene (Idaho) | 5,200.53 mi (8,369.45 km) |
| Sierning to Cohoes (New York) | 4,044.28 mi (6,508.64 km) |
| Sierning to Cold Springs (Nevada) | 5,759.15 mi (9,268.46 km) |
