| Tulcea to Dover (New Jersey) | 4,839.73 mi (7,788.80 km) |
| Tulcea to Dover (Ohio) | 5,114.02 mi (8,230.22 km) |
| Tulcea to Downers Grove (Illinois) | 5,276.13 mi (8,491.10 km) |
| Tulcea to Downey (California) | 6,590.69 mi (10,606.70 km) |
| Tulcea to Dranesville (Virginia) | 5,037.50 mi (8,107.08 km) |
| Tulcea to Draper (Utah) | 6,035.38 mi (9,713.01 km) |
| Tulcea to Drexel Heights (Arizona) | 6,529.96 mi (10,508.95 km) |
| Tulcea to Drexel Hill (Pennsylvania) | 4,912.64 mi (7,906.14 km) |
| Tulcea to Duarte (California) | 6,572.48 mi (10,577.38 km) |
| Tulcea to Dublin (California) | 6,424.97 mi (10,339.99 km) |
| Tulcea to Dublin (Georgia) | 5,575.81 mi (8,973.41 km) |
| Tulcea to Dublin (Ohio) | 5,195.01 mi (8,360.56 km) |
| Tulcea to Dubuque (Iowa) | 5,326.57 mi (8,572.29 km) |
| Tulcea to Duluth (Georgia) | 5,546.26 mi (8,925.84 km) |
| Tulcea to Duluth (Minnesota) | 5,141.00 mi (8,273.64 km) |
