| Sieradz to Caguas (Puerto Rico) | 5,017.28 mi (8,074.53 km) |
| Sieradz to Cahokia (Illinois) | 4,882.85 mi (7,858.19 km) |
| Sieradz to Calabasas (California) | 5,975.82 mi (9,617.16 km) |
| Sieradz to Caldwell (Idaho) | 5,337.02 mi (8,589.10 km) |
| Sieradz to Caledonia (Wisconsin) | 4,580.43 mi (7,371.49 km) |
| Sieradz to Calera (Alabama) | 5,056.54 mi (8,137.71 km) |
| Sieradz to Calexico (California) | 5,986.89 mi (9,634.97 km) |
| Sieradz to Calhoun (Georgia) | 4,917.90 mi (7,914.59 km) |
| Sieradz to California (Maryland) | 4,409.85 mi (7,096.97 km) |
| Sieradz to California City (California) | 5,892.77 mi (9,483.50 km) |
| Sieradz to Callaway (Florida) | 5,174.31 mi (8,327.25 km) |
| Sieradz to Calumet City (Illinois) | 4,631.93 mi (7,454.38 km) |
| Sieradz to Calverton (Maryland) | 4,388.68 mi (7,062.90 km) |
| Sieradz to Camano (Washington) | 5,171.97 mi (8,323.48 km) |
| Sieradz to Camarillo (California) | 5,979.17 mi (9,622.55 km) |
