| Tulcea to Dardenne Prairie (Missouri) | 5,529.14 mi (8,898.30 km) |
| Tulcea to Darien (Illinois) | 5,277.60 mi (8,493.47 km) |
| Tulcea to Davenport (Iowa) | 5,373.99 mi (8,648.61 km) |
| Tulcea to Davidson (North Carolina) | 5,344.03 mi (8,600.38 km) |
| Tulcea to Davie (Florida) | 5,802.42 mi (9,338.10 km) |
| Tulcea to Davis (California) | 6,367.57 mi (10,247.62 km) |
| Tulcea to Dayton (Nevada) | 6,280.33 mi (10,107.22 km) |
| Tulcea to Dayton (Ohio) | 5,249.49 mi (8,448.24 km) |
| Tulcea to Daytona Beach (Florida) | 5,675.45 mi (9,133.75 km) |
| Tulcea to De Pere (Wisconsin) | 5,139.72 mi (8,271.57 km) |
| Tulcea to De Witt (New York) | 4,795.24 mi (7,717.19 km) |
| Tulcea to Dearborn (Michigan) | 5,085.66 mi (8,184.58 km) |
| Tulcea to Dearborn Heights (Michigan) | 5,087.70 mi (8,187.86 km) |
| Tulcea to DeBary (Florida) | 5,700.91 mi (9,174.73 km) |
| Tulcea to Decatur (Alabama) | 5,621.92 mi (9,047.61 km) |
