| Sliven to University Place (Washington) | 5,940.73 mi (9,560.68 km) |
| Sliven to Upland (California) | 6,662.96 mi (10,723.00 km) |
| Sliven to Upper Arlington (Ohio) | 5,222.14 mi (8,404.22 km) |
| Sliven to Upper Grand Lagoon (Florida) | 5,814.44 mi (9,357.43 km) |
| Sliven to Upper Montclair (New Jersey) | 4,837.86 mi (7,785.79 km) |
| Sliven to Urbana (Illinois) | 5,407.70 mi (8,702.85 km) |
| Sliven to Urbana (Maryland) | 5,032.06 mi (8,098.32 km) |
| Sliven to Urbana (Ohio) | 5,244.01 mi (8,439.42 km) |
| Sliven to Urbandale (Iowa) | 5,522.80 mi (8,888.08 km) |
| Sliven to Utica (New York) | 4,779.06 mi (7,691.15 km) |
| Sliven to Uvalde (Texas) | 6,405.45 mi (10,308.58 km) |
| Sliven to Vacaville (California) | 6,494.61 mi (10,452.07 km) |
| Sliven to Vadnais Heights (Minnesota) | 5,320.50 mi (8,562.52 km) |
| Sliven to Vail (Arizona) | 6,601.22 mi (10,623.63 km) |
| Sliven to Valdosta (Georgia) | 5,679.06 mi (9,139.57 km) |
