| Sieradz to Castle Rock (Colorado) | 5,293.75 mi (8,519.48 km) |
| Sieradz to Castro Valley (California) | 5,827.98 mi (9,379.22 km) |
| Sieradz to Catalina Foothills (Arizona) | 5,885.74 mi (9,472.18 km) |
| Sieradz to Cataño (Puerto Rico) | 5,010.94 mi (8,064.33 km) |
| Sieradz to Cathedral City (California) | 5,940.32 mi (9,560.02 km) |
| Sieradz to Catonsville (Maryland) | 4,370.71 mi (7,033.98 km) |
| Sieradz to Cave Spring (Virginia) | 4,594.50 mi (7,394.14 km) |
| Sieradz to Cayce (South Carolina) | 4,802.95 mi (7,729.60 km) |
| Sieradz to Cayey (Puerto Rico) | 5,028.71 mi (8,092.93 km) |
| Sieradz to Cedar City (Utah) | 5,617.82 mi (9,041.01 km) |
| Sieradz to Cedar Falls (Iowa) | 4,743.24 mi (7,633.50 km) |
| Sieradz to Cedar Hill (Texas) | 5,441.62 mi (8,757.44 km) |
| Sieradz to Cedar Lake (Indiana) | 4,641.03 mi (7,469.02 km) |
| Sieradz to Cedar Mill (Oregon) | 5,346.12 mi (8,603.75 km) |
| Sieradz to Cedar Park (Texas) | 5,588.21 mi (8,993.35 km) |
