| Pirot to Ukiah (California) | 6,361.56 mi (10,237.94 km) |
| Pirot to Union (Missouri) | 5,434.87 mi (8,746.58 km) |
| Pirot to Union City (California) | 6,431.56 mi (10,350.59 km) |
| Pirot to Union City (Georgia) | 5,424.28 mi (8,729.54 km) |
| Pirot to Union City (New Jersey) | 4,662.74 mi (7,503.95 km) |
| Pirot to Union City (Tennessee) | 5,462.77 mi (8,791.48 km) |
| Pirot to Union Hill-Novelty Hill (Washington) | 5,801.01 mi (9,335.82 km) |
| Pirot to Union Park (Florida) | 5,526.15 mi (8,893.48 km) |
| Pirot to Uniondale (New York) | 4,646.88 mi (7,478.42 km) |
| Pirot to Universal City (Texas) | 6,172.92 mi (9,934.35 km) |
| Pirot to University (Florida) | 5,601.90 mi (9,015.39 km) |
| Pirot to University City (Missouri) | 5,399.05 mi (8,688.92 km) |
| Pirot to University Heights (Ohio) | 4,929.60 mi (7,933.42 km) |
| Pirot to University of California-Santa Barbara (California) | 6,577.38 mi (10,585.27 km) |
| Pirot to University Park (Texas) | 5,939.73 mi (9,559.08 km) |
