| Tulcea to Caguas (Puerto Rico) | 5,560.21 mi (8,948.29 km) |
| Tulcea to Cahokia (Illinois) | 5,520.86 mi (8,884.97 km) |
| Tulcea to Calabasas (California) | 6,589.76 mi (10,605.20 km) |
| Tulcea to Caldwell (Idaho) | 5,942.76 mi (9,563.95 km) |
| Tulcea to Caledonia (Wisconsin) | 5,218.68 mi (8,398.65 km) |
| Tulcea to Calera (Alabama) | 5,689.59 mi (9,156.52 km) |
| Tulcea to Calexico (California) | 6,609.16 mi (10,636.41 km) |
| Tulcea to Calhoun (Georgia) | 5,550.54 mi (8,932.73 km) |
| Tulcea to California (Maryland) | 5,038.02 mi (8,107.91 km) |
| Tulcea to California City (California) | 6,507.27 mi (10,472.45 km) |
| Tulcea to Callaway (Florida) | 5,802.76 mi (9,338.65 km) |
| Tulcea to Calumet City (Illinois) | 5,270.05 mi (8,481.33 km) |
| Tulcea to Calverton (Maryland) | 5,018.46 mi (8,076.42 km) |
| Tulcea to Camano (Washington) | 5,755.21 mi (9,262.11 km) |
| Tulcea to Camarillo (California) | 6,592.16 mi (10,609.06 km) |
