| Tulcea to Cicero (Illinois) | 5,264.91 mi (8,473.05 km) |
| Tulcea to Cimarron Hills (Colorado) | 5,951.52 mi (9,578.04 km) |
| Tulcea to Cincinnati (Ohio) | 5,293.28 mi (8,518.70 km) |
| Tulcea to Cinco Ranch (Texas) | 6,199.44 mi (9,977.03 km) |
| Tulcea to Circleville (Ohio) | 5,213.10 mi (8,389.68 km) |
| Tulcea to Citrus (California) | 6,573.98 mi (10,579.80 km) |
| Tulcea to Citrus Heights (California) | 6,350.08 mi (10,219.46 km) |
| Tulcea to Citrus Park (Florida) | 5,792.63 mi (9,322.34 km) |
| Tulcea to Claiborne (Louisiana) | 5,918.85 mi (9,525.46 km) |
| Tulcea to Claremont (California) | 6,569.48 mi (10,572.55 km) |
| Tulcea to Claremont (New Hampshire) | 4,639.60 mi (7,466.71 km) |
| Tulcea to Claremore (Oklahoma) | 5,824.89 mi (9,374.26 km) |
| Tulcea to Clarksburg (Maryland) | 5,022.41 mi (8,082.78 km) |
| Tulcea to Clarksburg (West Virginia) | 5,133.96 mi (8,262.32 km) |
| Tulcea to Clarksdale (Mississippi) | 5,770.87 mi (9,287.32 km) |
