| Sofia to University Place (Washington) | 5,883.65 mi (9,468.81 km) |
| Sofia to Upland (California) | 6,584.69 mi (10,597.03 km) |
| Sofia to Upper Arlington (Ohio) | 5,106.19 mi (8,217.62 km) |
| Sofia to Upper Grand Lagoon (Florida) | 5,689.46 mi (9,156.31 km) |
| Sofia to Upper Montclair (New Jersey) | 4,715.23 mi (7,588.42 km) |
| Sofia to Urbana (Illinois) | 5,296.94 mi (8,524.59 km) |
| Sofia to Urbana (Maryland) | 4,910.07 mi (7,902.00 km) |
| Sofia to Urbana (Ohio) | 5,128.82 mi (8,254.04 km) |
| Sofia to Urbandale (Iowa) | 5,420.07 mi (8,722.77 km) |
| Sofia to Utica (New York) | 4,660.32 mi (7,500.05 km) |
| Sofia to Uvalde (Texas) | 6,295.04 mi (10,130.88 km) |
| Sofia to Vacaville (California) | 6,427.96 mi (10,344.81 km) |
| Sofia to Vadnais Heights (Minnesota) | 5,221.62 mi (8,403.38 km) |
| Sofia to Vail (Arizona) | 6,509.37 mi (10,475.83 km) |
| Sofia to Valdosta (Georgia) | 5,552.51 mi (8,935.90 km) |
