| Castle Rock to Islahiye | 6,618.43 mi (10,651.34 km) |
| Castle Rock to Isparta | 6,403.16 mi (10,304.89 km) |
| Castle Rock to Istanbul | 6,168.68 mi (9,927.54 km) |
| Castle Rock to Izmir | 6,261.76 mi (10,077.33 km) |
| Castle Rock to Kadinhani | 6,423.66 mi (10,337.88 km) |
| Castle Rock to Kadirli | 6,583.31 mi (10,594.82 km) |
| Castle Rock to Kagithane | 6,165.67 mi (9,922.69 km) |
| Castle Rock to Kahramanmaras | 6,592.55 mi (10,609.68 km) |
| Castle Rock to Kahta | 6,624.07 mi (10,660.41 km) |
| Castle Rock to Kaman | 6,400.00 mi (10,299.80 km) |
| Castle Rock to Kangal | 6,503.94 mi (10,467.08 km) |
| Castle Rock to Kapakli | 6,121.51 mi (9,851.61 km) |
| Castle Rock to Karaagac | 6,632.60 mi (10,674.14 km) |
| Castle Rock to Karaagac | 6,122.91 mi (9,853.87 km) |
| Castle Rock to Karabuk | 6,261.21 mi (10,076.44 km) |
