| Willoughby to Kocaali | 5,328.12 mi (8,574.77 km) |
| Willoughby to Kocaeli | 5,307.60 mi (8,541.75 km) |
| Willoughby to Konak | 5,312.63 mi (8,549.86 km) |
| Willoughby to Konakli | 5,587.14 mi (8,991.63 km) |
| Willoughby to Konya | 5,546.23 mi (8,925.79 km) |
| Willoughby to Koprukoy | 5,771.26 mi (9,287.95 km) |
| Willoughby to Korfez | 5,299.70 mi (8,529.04 km) |
| Willoughby to Korkut | 5,834.78 mi (9,390.16 km) |
| Willoughby to Kose | 5,683.99 mi (9,147.50 km) |
| Willoughby to Kovancilar | 5,770.05 mi (9,286.00 km) |
| Willoughby to Koyulhisar | 5,616.33 mi (9,038.61 km) |
| Willoughby to Kozan | 5,691.00 mi (9,158.78 km) |
| Willoughby to Kozlu | 5,342.65 mi (8,598.17 km) |
| Willoughby to Kozluk | 5,854.07 mi (9,421.22 km) |
| Willoughby to Kucuk Dalyan | 5,767.92 mi (9,282.58 km) |
