| Niagara Falls to Kocaali | 5,170.71 mi (8,321.45 km) |
| Niagara Falls to Kocaeli | 5,150.06 mi (8,288.22 km) |
| Niagara Falls to Konak | 5,154.80 mi (8,295.85 km) |
| Niagara Falls to Konakli | 5,429.36 mi (8,737.72 km) |
| Niagara Falls to Konya | 5,388.59 mi (8,672.09 km) |
| Niagara Falls to Koprukoy | 5,615.73 mi (9,037.64 km) |
| Niagara Falls to Korfez | 5,142.14 mi (8,275.48 km) |
| Niagara Falls to Korkut | 5,678.87 mi (9,139.25 km) |
| Niagara Falls to Kose | 5,527.94 mi (8,896.36 km) |
| Niagara Falls to Kovancilar | 5,613.67 mi (9,034.34 km) |
| Niagara Falls to Koyulhisar | 5,459.90 mi (8,786.85 km) |
| Niagara Falls to Kozan | 5,533.65 mi (8,905.55 km) |
| Niagara Falls to Kozlu | 5,185.42 mi (8,345.12 km) |
| Niagara Falls to Kozluk | 5,697.94 mi (9,169.96 km) |
| Niagara Falls to Kucuk Dalyan | 5,610.45 mi (9,029.15 km) |
