| Sliven to Washington (Indiana) | 5,442.79 mi (8,759.32 km) |
| Sliven to Washington (Missouri) | 5,588.68 mi (8,994.11 km) |
| Sliven to Washington (Pennsylvania) | 5,106.99 mi (8,218.91 km) |
| Sliven to Washington (Utah) | 6,371.07 mi (10,253.25 km) |
| Sliven to Washington Court House (Ohio) | 5,259.35 mi (8,464.11 km) |
| Sliven to Washougal (Washington) | 6,041.31 mi (9,722.55 km) |
| Sliven to Watauga (Texas) | 6,113.75 mi (9,839.14 km) |
| Sliven to Waterbury (Connecticut) | 4,759.73 mi (7,660.05 km) |
| Sliven to Waterloo (Illinois) | 5,568.63 mi (8,961.84 km) |
| Sliven to Waterloo (Iowa) | 5,430.34 mi (8,739.28 km) |
| Sliven to Watertown (New York) | 4,766.75 mi (7,671.34 km) |
| Sliven to Watertown (South Dakota) | 5,456.10 mi (8,780.75 km) |
| Sliven to Watertown (Wisconsin) | 5,271.32 mi (8,483.38 km) |
| Sliven to Watertown Town (Massachusetts) | 4,650.06 mi (7,483.54 km) |
| Sliven to Waterville (Maine) | 4,498.90 mi (7,240.27 km) |
