| Idar-Oberstein to Kenosha (Wisconsin) | 4,267.42 mi (6,867.75 km) |
| Idar-Oberstein to Kent (Ohio) | 4,084.98 mi (6,574.14 km) |
| Idar-Oberstein to Kent (Washington) | 5,083.49 mi (8,181.09 km) |
| Idar-Oberstein to Kentwood (Michigan) | 4,168.01 mi (6,707.76 km) |
| Idar-Oberstein to Kerman (California) | 5,656.31 mi (9,102.95 km) |
| Idar-Oberstein to Kernersville (North Carolina) | 4,266.91 mi (6,866.93 km) |
| Idar-Oberstein to Kerrville (Texas) | 5,326.54 mi (8,572.24 km) |
| Idar-Oberstein to Kettering (Maryland) | 4,004.17 mi (6,444.10 km) |
| Idar-Oberstein to Kettering (Ohio) | 4,261.18 mi (6,857.70 km) |
| Idar-Oberstein to Kewanee (Illinois) | 4,407.87 mi (7,093.77 km) |
| Idar-Oberstein to Key Biscayne (Florida) | 4,776.12 mi (7,686.42 km) |
| Idar-Oberstein to Key Largo (Florida) | 4,815.16 mi (7,749.25 km) |
| Idar-Oberstein to Key West (Florida) | 4,901.98 mi (7,888.97 km) |
| Idar-Oberstein to Keystone (Florida) | 4,758.31 mi (7,657.77 km) |
| Idar-Oberstein to Kihei (Hawaii) | 7,466.42 mi (12,016.04 km) |
