| Highgate to Islahiye | 2,047.76 mi (3,295.55 km) |
| Highgate to Isparta | 1,765.07 mi (2,840.60 km) |
| Highgate to Istanbul | 1,554.68 mi (2,502.01 km) |
| Highgate to Izmir | 1,598.37 mi (2,572.33 km) |
| Highgate to Kadinhani | 1,810.27 mi (2,913.35 km) |
| Highgate to Kadirli | 2,009.94 mi (3,234.68 km) |
| Highgate to Kagithane | 1,552.68 mi (2,498.79 km) |
| Highgate to Kahramanmaras | 2,035.01 mi (3,275.03 km) |
| Highgate to Kahta | 2,097.00 mi (3,374.80 km) |
| Highgate to Kaman | 1,823.11 mi (2,934.02 km) |
| Highgate to Kangal | 1,982.01 mi (3,189.73 km) |
| Highgate to Kapakli | 1,500.51 mi (2,414.84 km) |
| Highgate to Karaagac | 2,048.03 mi (3,295.98 km) |
| Highgate to Karaagac | 1,501.23 mi (2,416.00 km) |
| Highgate to Karabuk | 1,699.82 mi (2,735.60 km) |
