| Tulcea to Castle Rock (Colorado) | 5,925.08 mi (9,535.50 km) |
| Tulcea to Castro Valley (California) | 6,428.57 mi (10,345.79 km) |
| Tulcea to Catalina Foothills (Arizona) | 6,515.78 mi (10,486.14 km) |
| Tulcea to Cataño (Puerto Rico) | 5,555.15 mi (8,940.15 km) |
| Tulcea to Cathedral City (California) | 6,559.41 mi (10,556.36 km) |
| Tulcea to Catonsville (Maryland) | 5,000.55 mi (8,047.61 km) |
| Tulcea to Cave Spring (Virginia) | 5,225.17 mi (8,409.11 km) |
| Tulcea to Cayce (South Carolina) | 5,430.52 mi (8,739.58 km) |
| Tulcea to Cayey (Puerto Rico) | 5,571.68 mi (8,966.76 km) |
| Tulcea to Cedar City (Utah) | 6,238.98 mi (10,040.67 km) |
| Tulcea to Cedar Falls (Iowa) | 5,380.93 mi (8,659.77 km) |
| Tulcea to Cedar Hill (Texas) | 6,079.82 mi (9,784.53 km) |
| Tulcea to Cedar Lake (Indiana) | 5,279.10 mi (8,495.88 km) |
| Tulcea to Cedar Mill (Oregon) | 5,932.83 mi (9,547.97 km) |
| Tulcea to Cedar Park (Texas) | 6,226.30 mi (10,020.26 km) |
