| Sieradz to Caño Martin Peña (Puerto Rico) | 5,007.32 mi (8,058.50 km) |
| Sieradz to Cañon City (Colorado) | 5,358.90 mi (8,624.31 km) |
| Sieradz to Canóvanas (Puerto Rico) | 5,004.19 mi (8,053.46 km) |
| Sieradz to Canton (Georgia) | 4,914.55 mi (7,909.21 km) |
| Sieradz to Canton (Illinois) | 4,770.58 mi (7,677.51 km) |
| Sieradz to Canton (Mississippi) | 5,202.89 mi (8,373.24 km) |
| Sieradz to Canton (Ohio) | 4,460.64 mi (7,178.70 km) |
| Sieradz to Canyon (Texas) | 5,462.26 mi (8,790.65 km) |
| Sieradz to Canyon Lake (California) | 5,969.46 mi (9,606.92 km) |
| Sieradz to Canyon Lake (Texas) | 5,639.28 mi (9,075.55 km) |
| Sieradz to Cape Coral (Florida) | 5,226.55 mi (8,411.32 km) |
| Sieradz to Cape Girardeau (Missouri) | 4,929.65 mi (7,933.50 km) |
| Sieradz to Carbondale (Illinois) | 4,895.95 mi (7,879.28 km) |
| Sieradz to Carlisle (Pennsylvania) | 4,341.13 mi (6,986.37 km) |
| Sieradz to Carlsbad (California) | 6,005.13 mi (9,664.32 km) |
