| Sofia to Kinston (North Carolina) | 5,103.43 mi (8,213.18 km) |
| Sofia to Kirkland (Washington) | 5,846.73 mi (9,409.40 km) |
| Sofia to Kirksville (Missouri) | 5,451.66 mi (8,773.60 km) |
| Sofia to Kirkwood (Missouri) | 5,455.56 mi (8,779.88 km) |
| Sofia to Kiryas Joel (New York) | 4,692.55 mi (7,551.93 km) |
| Sofia to Kissimmee (Florida) | 5,594.92 mi (9,004.15 km) |
| Sofia to Klamath Falls (Oregon) | 6,181.58 mi (9,948.30 km) |
| Sofia to Knightdale (North Carolina) | 5,117.87 mi (8,236.41 km) |
| Sofia to Knik-Fairview (Alaska) | 5,225.89 mi (8,410.26 km) |
| Sofia to Knoxville (Tennessee) | 5,333.62 mi (8,583.63 km) |
| Sofia to Kokomo (Indiana) | 5,202.34 mi (8,372.36 km) |
| Sofia to Kuna (Idaho) | 5,981.04 mi (9,625.56 km) |
| Sofia to Kyle (Texas) | 6,182.20 mi (9,949.30 km) |
| Sofia to La Cañada Flintridge (California) | 6,593.31 mi (10,610.91 km) |
| Sofia to La Crescenta-Montrose (California) | 6,592.85 mi (10,610.16 km) |
