| Sierning to Camas (Washington) | 5,458.86 mi (8,785.19 km) |
| Sierning to Cambridge (Maryland) | 4,326.49 mi (6,962.81 km) |
| Sierning to Cambridge (Massachusetts) | 3,957.40 mi (6,368.83 km) |
| Sierning to Camden (Arkansas) | 5,230.94 mi (8,418.38 km) |
| Sierning to Camden (New Jersey) | 4,224.70 mi (6,798.99 km) |
| Sierning to Cameron Park (California) | 5,846.82 mi (9,409.55 km) |
| Sierning to Camp Pendleton South (California) | 6,077.69 mi (9,781.09 km) |
| Sierning to Camp Springs (Maryland) | 4,349.04 mi (6,999.10 km) |
| Sierning to Camp Verde (Arizona) | 5,833.47 mi (9,388.06 km) |
| Sierning to Campbell (California) | 5,956.55 mi (9,586.14 km) |
| Sierning to Campbellsville (Kentucky) | 4,752.38 mi (7,648.22 km) |
| Sierning to Campton Hills (Illinois) | 4,642.76 mi (7,471.80 km) |
| Sierning to Canby (Oregon) | 5,485.15 mi (8,827.49 km) |
| Sierning to Candelaria (Puerto Rico) | 4,848.46 mi (7,802.84 km) |
| Sierning to Candler-McAfee (Georgia) | 4,887.34 mi (7,865.42 km) |
