| Sierning to Castle Rock (Colorado) | 5,340.46 mi (8,594.64 km) |
| Sierning to Castro Valley (California) | 5,933.06 mi (9,548.34 km) |
| Sierning to Catalina Foothills (Arizona) | 5,934.09 mi (9,550.00 km) |
| Sierning to Cataño (Puerto Rico) | 4,843.44 mi (7,794.76 km) |
| Sierning to Cathedral City (California) | 6,014.75 mi (9,679.80 km) |
| Sierning to Catonsville (Maryland) | 4,320.95 mi (6,953.90 km) |
| Sierning to Cave Spring (Virginia) | 4,546.83 mi (7,317.42 km) |
| Sierning to Cayce (South Carolina) | 4,745.52 mi (7,637.17 km) |
| Sierning to Cayey (Puerto Rico) | 4,860.21 mi (7,821.75 km) |
| Sierning to Cedar City (Utah) | 5,689.51 mi (9,156.38 km) |
| Sierning to Cedar Falls (Iowa) | 4,758.48 mi (7,658.04 km) |
| Sierning to Cedar Hill (Texas) | 5,436.99 mi (8,750.00 km) |
| Sierning to Cedar Lake (Indiana) | 4,635.24 mi (7,459.70 km) |
| Sierning to Cedar Mill (Oregon) | 5,471.16 mi (8,804.98 km) |
| Sierning to Cedar Park (Texas) | 5,579.93 mi (8,980.02 km) |
