| Silleda to Cookeville (Tennessee) | 4,003.66 mi (6,443.28 km) |
| Silleda to Coolidge (Arizona) | 5,312.23 mi (8,549.21 km) |
| Silleda to Coon Rapids (Minnesota) | 4,028.17 mi (6,482.71 km) |
| Silleda to Cooper City (Florida) | 4,139.95 mi (6,662.61 km) |
| Silleda to Coos Bay (Oregon) | 5,293.08 mi (8,518.39 km) |
| Silleda to Copiague (New York) | 3,279.02 mi (5,277.07 km) |
| Silleda to Coppell (Texas) | 4,665.14 mi (7,507.82 km) |
| Silleda to Copperas Cove (Texas) | 4,785.97 mi (7,702.28 km) |
| Silleda to Coral Gables (Florida) | 4,153.19 mi (6,683.91 km) |
| Silleda to Coral Springs (Florida) | 4,129.49 mi (6,645.77 km) |
| Silleda to Coral Terrace (Florida) | 4,153.12 mi (6,683.80 km) |
| Silleda to Coralville (Iowa) | 4,078.80 mi (6,564.20 km) |
| Silleda to Coram (New York) | 3,254.55 mi (5,237.69 km) |
| Silleda to Corcoran (California) | 5,488.22 mi (8,832.43 km) |
| Silleda to Cordele (Georgia) | 4,078.19 mi (6,563.22 km) |
