| Plovdiv to Ukiah (California) | 6,470.92 mi (10,413.93 km) |
| Plovdiv to Union (Missouri) | 5,562.26 mi (8,951.59 km) |
| Plovdiv to Union City (California) | 6,542.70 mi (10,529.46 km) |
| Plovdiv to Union City (Georgia) | 5,553.91 mi (8,938.15 km) |
| Plovdiv to Union City (New Jersey) | 4,792.40 mi (7,712.62 km) |
| Plovdiv to Union City (Tennessee) | 5,591.18 mi (8,998.14 km) |
| Plovdiv to Union Hill-Novelty Hill (Washington) | 5,906.93 mi (9,506.28 km) |
| Plovdiv to Union Park (Florida) | 5,656.09 mi (9,102.60 km) |
| Plovdiv to Uniondale (New York) | 4,776.58 mi (7,687.16 km) |
| Plovdiv to Universal City (Texas) | 6,300.82 mi (10,140.19 km) |
| Plovdiv to University (Florida) | 5,731.86 mi (9,224.54 km) |
| Plovdiv to University City (Missouri) | 5,526.54 mi (8,894.10 km) |
| Plovdiv to University Heights (Ohio) | 5,058.16 mi (8,140.33 km) |
| Plovdiv to University of California-Santa Barbara (California) | 6,691.85 mi (10,769.49 km) |
| Plovdiv to University Park (Texas) | 6,067.18 mi (9,764.18 km) |
