| Knightdale to Kamen | 4,182.03 mi (6,730.33 km) |
| Knightdale to Kamenz | 4,444.65 mi (7,152.98 km) |
| Knightdale to Kamp-Lintfort | 4,139.01 mi (6,661.09 km) |
| Knightdale to Kandel | 4,269.97 mi (6,871.86 km) |
| Knightdale to Kappeln | 4,191.39 mi (6,745.39 km) |
| Knightdale to Karben | 4,262.16 mi (6,859.28 km) |
| Knightdale to Karlsdorf-Neuthard | 4,282.80 mi (6,892.50 km) |
| Knightdale to Karlsfeld | 4,430.48 mi (7,130.17 km) |
| Knightdale to Karlsruhe | 4,280.48 mi (6,888.77 km) |
| Knightdale to Kassel | 4,262.27 mi (6,859.46 km) |
| Knightdale to Kaufbeuren | 4,405.27 mi (7,089.60 km) |
| Knightdale to Kaufering | 4,410.17 mi (7,097.49 km) |
| Knightdale to Kaufungen | 4,268.00 mi (6,868.69 km) |
| Knightdale to Kehl | 4,268.04 mi (6,868.75 km) |
| Knightdale to Kelheim | 4,426.07 mi (7,123.08 km) |
