| Middlesbrough to Islahiye | 2,150.90 mi (3,461.54 km) |
| Middlesbrough to Isparta | 1,887.15 mi (3,037.08 km) |
| Middlesbrough to Istanbul | 1,665.58 mi (2,680.50 km) |
| Middlesbrough to Izmir | 1,730.74 mi (2,785.36 km) |
| Middlesbrough to Kadinhani | 1,923.74 mi (3,095.95 km) |
| Middlesbrough to Kadirli | 2,113.37 mi (3,401.13 km) |
| Middlesbrough to Kagithane | 1,663.19 mi (2,676.64 km) |
| Middlesbrough to Kahramanmaras | 2,134.47 mi (3,435.09 km) |
| Middlesbrough to Kahta | 2,189.63 mi (3,523.87 km) |
| Middlesbrough to Kaman | 1,925.19 mi (3,098.30 km) |
| Middlesbrough to Kangal | 2,071.63 mi (3,333.97 km) |
| Middlesbrough to Kapakli | 1,613.43 mi (2,596.57 km) |
| Middlesbrough to Karaagac | 2,155.04 mi (3,468.21 km) |
| Middlesbrough to Karaagac | 1,614.43 mi (2,598.17 km) |
| Middlesbrough to Karabuk | 1,795.55 mi (2,889.65 km) |
