| Sieradz to Centralia (Illinois) | 4,849.45 mi (7,804.43 km) |
| Sieradz to Centralia (Washington) | 5,274.02 mi (8,487.72 km) |
| Sieradz to Centreville (Virginia) | 4,417.78 mi (7,109.73 km) |
| Sieradz to Ceres (California) | 5,811.14 mi (9,352.13 km) |
| Sieradz to Cerritos (California) | 5,978.14 mi (9,620.89 km) |
| Sieradz to Chalco (Nebraska) | 4,931.84 mi (7,937.02 km) |
| Sieradz to Chalmette (Louisiana) | 5,346.48 mi (8,604.33 km) |
| Sieradz to Chambersburg (Pennsylvania) | 4,371.07 mi (7,034.56 km) |
| Sieradz to Chamblee (Georgia) | 4,926.91 mi (7,929.09 km) |
| Sieradz to Champaign (Illinois) | 4,735.57 mi (7,621.17 km) |
| Sieradz to Champlin (Minnesota) | 4,629.12 mi (7,449.86 km) |
| Sieradz to Chandler (Arizona) | 5,853.15 mi (9,419.74 km) |
| Sieradz to Chanhassen (Minnesota) | 4,651.40 mi (7,485.71 km) |
| Sieradz to Channahon (Illinois) | 4,665.77 mi (7,508.83 km) |
| Sieradz to Channelview (Texas) | 5,536.96 mi (8,910.88 km) |
