| Tulcea to Dallas (Texas) | 6,061.38 mi (9,754.84 km) |
| Tulcea to Dalton (Georgia) | 5,537.26 mi (8,911.36 km) |
| Tulcea to Daly City (California) | 6,437.62 mi (10,360.34 km) |
| Tulcea to Damascus (Maryland) | 5,017.53 mi (8,074.93 km) |
| Tulcea to Damascus (Oregon) | 5,934.28 mi (9,550.31 km) |
| Tulcea to Dana Point (California) | 6,610.57 mi (10,638.68 km) |
| Tulcea to Danbury (Connecticut) | 4,773.97 mi (7,682.96 km) |
| Tulcea to Dania Beach (Florida) | 5,798.30 mi (9,331.46 km) |
| Tulcea to Danville (California) | 6,420.13 mi (10,332.20 km) |
| Tulcea to Danville (Illinois) | 5,349.47 mi (8,609.14 km) |
| Tulcea to Danville (Indiana) | 5,331.45 mi (8,580.14 km) |
| Tulcea to Danville (Kentucky) | 5,380.59 mi (8,659.23 km) |
| Tulcea to Danville (Virginia) | 5,234.51 mi (8,424.13 km) |
| Tulcea to Daphne (Alabama) | 5,865.19 mi (9,439.11 km) |
| Tulcea to Darby (Pennsylvania) | 4,912.37 mi (7,905.69 km) |
