| Buffalo Grove to Kenosha (Wisconsin) | 29.27 mi (47.10 km) |
| Buffalo Grove to Kent (Ohio) | 347.82 mi (559.76 km) |
| Buffalo Grove to Kent (Washington) | 1,703.58 mi (2,741.64 km) |
| Buffalo Grove to Kentwood (Michigan) | 130.41 mi (209.88 km) |
| Buffalo Grove to Kerman (California) | 1,742.65 mi (2,804.53 km) |
| Buffalo Grove to Kernersville (North Carolina) | 594.12 mi (956.14 km) |
| Buffalo Grove to Kerrville (Texas) | 1,042.50 mi (1,677.73 km) |
| Buffalo Grove to Kettering (Maryland) | 628.36 mi (1,011.24 km) |
| Buffalo Grove to Kettering (Ohio) | 262.18 mi (421.94 km) |
| Buffalo Grove to Kewanee (Illinois) | 119.92 mi (192.99 km) |
| Buffalo Grove to Key Biscayne (Florida) | 1,221.65 mi (1,966.05 km) |
| Buffalo Grove to Key Largo (Florida) | 1,253.88 mi (2,017.92 km) |
| Buffalo Grove to Key West (Florida) | 1,266.61 mi (2,038.41 km) |
| Buffalo Grove to Keystone (Florida) | 1,015.44 mi (1,634.19 km) |
| Buffalo Grove to Kihei (Hawaii) | 4,181.23 mi (6,729.05 km) |
