| Willoughby to Islahiye | 5,743.50 mi (9,243.27 km) |
| Willoughby to Isparta | 5,477.72 mi (8,815.55 km) |
| Willoughby to Istanbul | 5,259.41 mi (8,464.21 km) |
| Willoughby to Izmir | 5,313.04 mi (8,550.50 km) |
| Willoughby to Kadinhani | 5,517.41 mi (8,879.41 km) |
| Willoughby to Kadirli | 5,706.14 mi (9,183.15 km) |
| Willoughby to Kagithane | 5,257.06 mi (8,460.41 km) |
| Willoughby to Kahramanmaras | 5,725.54 mi (9,214.37 km) |
| Willoughby to Kahta | 5,775.93 mi (9,295.46 km) |
| Willoughby to Kaman | 5,517.93 mi (8,880.24 km) |
| Willoughby to Kangal | 5,656.26 mi (9,102.86 km) |
| Willoughby to Kapakli | 5,206.93 mi (8,379.75 km) |
| Willoughby to Karaagac | 5,748.67 mi (9,251.58 km) |
| Willoughby to Karaagac | 5,207.88 mi (8,381.27 km) |
| Willoughby to Karabuk | 5,386.10 mi (8,668.09 km) |
