| Langley Park to Kamen | 3,969.18 mi (6,387.78 km) |
| Langley Park to Kamenz | 4,229.07 mi (6,806.03 km) |
| Langley Park to Kamp-Lintfort | 3,926.89 mi (6,319.72 km) |
| Langley Park to Kandel | 4,061.81 mi (6,536.85 km) |
| Langley Park to Kappeln | 3,972.06 mi (6,392.41 km) |
| Langley Park to Karben | 4,051.36 mi (6,520.04 km) |
| Langley Park to Karlsdorf-Neuthard | 4,074.32 mi (6,556.99 km) |
| Langley Park to Karlsfeld | 4,222.01 mi (6,794.66 km) |
| Langley Park to Karlsruhe | 4,072.35 mi (6,553.81 km) |
| Langley Park to Kassel | 4,049.01 mi (6,516.26 km) |
| Langley Park to Kaufbeuren | 4,198.02 mi (6,756.06 km) |
| Langley Park to Kaufering | 4,202.34 mi (6,763.01 km) |
| Langley Park to Kaufungen | 4,054.75 mi (6,525.49 km) |
| Langley Park to Kehl | 4,061.18 mi (6,535.84 km) |
| Langley Park to Kelheim | 4,215.99 mi (6,784.99 km) |
