| Omurtag to Cookeville (Tennessee) | 5,490.38 mi (8,835.91 km) |
| Omurtag to Coolidge (Arizona) | 6,549.31 mi (10,540.09 km) |
| Omurtag to Coon Rapids (Minnesota) | 5,302.11 mi (8,532.92 km) |
| Omurtag to Cooper City (Florida) | 5,776.16 mi (9,295.84 km) |
| Omurtag to Coos Bay (Oregon) | 6,191.86 mi (9,964.83 km) |
| Omurtag to Copiague (New York) | 4,798.86 mi (7,723.02 km) |
| Omurtag to Coppell (Texas) | 6,081.88 mi (9,787.84 km) |
| Omurtag to Copperas Cove (Texas) | 6,216.03 mi (10,003.74 km) |
| Omurtag to Coral Gables (Florida) | 5,792.34 mi (9,321.87 km) |
| Omurtag to Coral Springs (Florida) | 5,763.99 mi (9,276.25 km) |
| Omurtag to Coral Terrace (Florida) | 5,791.71 mi (9,320.85 km) |
| Omurtag to Coralville (Iowa) | 5,427.47 mi (8,734.66 km) |
| Omurtag to Coram (New York) | 4,774.02 mi (7,683.04 km) |
| Omurtag to Corcoran (California) | 6,561.84 mi (10,560.26 km) |
| Omurtag to Cordele (Georgia) | 5,630.90 mi (9,062.05 km) |
