| Sierning to Caguas (Puerto Rico) | 4,848.73 mi (7,803.28 km) |
| Sierning to Cahokia (Illinois) | 4,875.25 mi (7,845.95 km) |
| Sierning to Calabasas (California) | 6,059.63 mi (9,752.04 km) |
| Sierning to Caldwell (Idaho) | 5,437.11 mi (8,750.18 km) |
| Sierning to Caledonia (Wisconsin) | 4,581.89 mi (7,373.84 km) |
| Sierning to Calera (Alabama) | 5,016.20 mi (8,072.80 km) |
| Sierning to Calexico (California) | 6,054.54 mi (9,743.84 km) |
| Sierning to Calhoun (Georgia) | 4,876.31 mi (7,847.66 km) |
| Sierning to California (Maryland) | 4,355.03 mi (7,008.74 km) |
| Sierning to California City (California) | 5,975.97 mi (9,617.40 km) |
| Sierning to Callaway (Florida) | 5,118.53 mi (8,237.48 km) |
| Sierning to Calumet City (Illinois) | 4,627.50 mi (7,447.24 km) |
| Sierning to Calverton (Maryland) | 4,338.68 mi (6,982.43 km) |
| Sierning to Camano (Washington) | 5,301.90 mi (8,532.58 km) |
| Sierning to Camarillo (California) | 6,064.61 mi (9,760.05 km) |
