| Tulcea to Ukiah (California) | 6,356.02 mi (10,229.03 km) |
| Tulcea to Union (Missouri) | 5,555.03 mi (8,939.96 km) |
| Tulcea to Union City (California) | 6,434.59 mi (10,355.47 km) |
| Tulcea to Union City (Georgia) | 5,583.28 mi (8,985.42 km) |
| Tulcea to Union City (New Jersey) | 4,825.17 mi (7,765.36 km) |
| Tulcea to Union City (Tennessee) | 5,596.77 mi (9,007.13 km) |
| Tulcea to Union Hill-Novelty Hill (Washington) | 5,781.12 mi (9,303.82 km) |
| Tulcea to Union Park (Florida) | 5,713.58 mi (9,195.12 km) |
| Tulcea to Uniondale (New York) | 4,810.72 mi (7,742.10 km) |
| Tulcea to Universal City (Texas) | 6,297.44 mi (10,134.74 km) |
| Tulcea to University (Florida) | 5,787.21 mi (9,313.62 km) |
| Tulcea to University City (Missouri) | 5,520.58 mi (8,884.51 km) |
| Tulcea to University Heights (Ohio) | 5,067.66 mi (8,155.61 km) |
| Tulcea to University of California-Santa Barbara (California) | 6,597.38 mi (10,617.45 km) |
| Tulcea to University Park (Texas) | 6,059.05 mi (9,751.09 km) |
