| Tulcea to Corinth (Mississippi) | 5,657.11 mi (9,104.23 km) |
| Tulcea to Corinth (Texas) | 6,051.57 mi (9,739.06 km) |
| Tulcea to Cornelius (North Carolina) | 5,346.78 mi (8,604.81 km) |
| Tulcea to Cornelius (Oregon) | 5,937.98 mi (9,556.25 km) |
| Tulcea to Corning (New York) | 4,873.21 mi (7,842.68 km) |
| Tulcea to Corona (California) | 6,582.91 mi (10,594.18 km) |
| Tulcea to Coronado (California) | 6,649.68 mi (10,701.62 km) |
| Tulcea to Corpus Christi (Texas) | 6,369.58 mi (10,250.85 km) |
| Tulcea to Corsicana (Texas) | 6,091.52 mi (9,803.36 km) |
| Tulcea to Cortland (New York) | 4,819.19 mi (7,755.73 km) |
| Tulcea to Corvallis (Oregon) | 6,003.51 mi (9,661.71 km) |
| Tulcea to Coshocton (Ohio) | 5,140.79 mi (8,273.30 km) |
| Tulcea to Costa Mesa (California) | 6,603.13 mi (10,626.71 km) |
| Tulcea to Coto de Caza (California) | 6,600.28 mi (10,622.12 km) |
| Tulcea to Cottage Grove (Minnesota) | 5,270.60 mi (8,482.21 km) |
