| Tulcea to Cookeville (Tennessee) | 5,485.01 mi (8,827.27 km) |
| Tulcea to Coolidge (Arizona) | 6,493.85 mi (10,450.85 km) |
| Tulcea to Coon Rapids (Minnesota) | 5,262.53 mi (8,469.23 km) |
| Tulcea to Cooper City (Florida) | 5,804.06 mi (9,340.74 km) |
| Tulcea to Coos Bay (Oregon) | 6,096.76 mi (9,811.78 km) |
| Tulcea to Copiague (New York) | 4,805.12 mi (7,733.10 km) |
| Tulcea to Coppell (Texas) | 6,059.16 mi (9,751.28 km) |
| Tulcea to Copperas Cove (Texas) | 6,194.77 mi (9,969.52 km) |
| Tulcea to Coral Gables (Florida) | 5,821.03 mi (9,368.05 km) |
| Tulcea to Coral Springs (Florida) | 5,791.45 mi (9,320.44 km) |
| Tulcea to Coral Terrace (Florida) | 5,820.23 mi (9,366.76 km) |
| Tulcea to Coralville (Iowa) | 5,398.29 mi (8,687.71 km) |
| Tulcea to Coram (New York) | 4,780.40 mi (7,693.31 km) |
| Tulcea to Corcoran (California) | 6,484.06 mi (10,435.08 km) |
| Tulcea to Cordele (Georgia) | 5,638.36 mi (9,074.07 km) |
