| Sofia to Kenosha (Wisconsin) | 5,164.12 mi (8,310.85 km) |
| Sofia to Kent (Ohio) | 4,987.69 mi (8,026.91 km) |
| Sofia to Kent (Washington) | 5,866.22 mi (9,440.77 km) |
| Sofia to Kentwood (Michigan) | 5,066.51 mi (8,153.76 km) |
| Sofia to Kerman (California) | 6,485.14 mi (10,436.83 km) |
| Sofia to Kernersville (North Carolina) | 5,169.42 mi (8,319.38 km) |
| Sofia to Kerrville (Texas) | 6,226.26 mi (10,020.20 km) |
| Sofia to Kettering (Maryland) | 4,906.94 mi (7,896.95 km) |
| Sofia to Kettering (Ohio) | 5,163.63 mi (8,310.06 km) |
| Sofia to Kewanee (Illinois) | 5,304.33 mi (8,536.50 km) |
| Sofia to Key Biscayne (Florida) | 5,664.58 mi (9,116.25 km) |
| Sofia to Key Largo (Florida) | 5,702.90 mi (9,177.92 km) |
| Sofia to Key West (Florida) | 5,791.16 mi (9,319.97 km) |
| Sofia to Keystone (Florida) | 5,654.87 mi (9,100.64 km) |
| Sofia to Kihei (Hawaii) | 8,051.74 mi (12,958.03 km) |
