| Middlesbrough to Ianca | 1,421.90 mi (2,288.33 km) |
| Middlesbrough to Iasi | 1,345.31 mi (2,165.06 km) |
| Middlesbrough to Iernut | 1,242.34 mi (1,999.36 km) |
| Middlesbrough to Ineu | 1,152.23 mi (1,854.34 km) |
| Middlesbrough to Jibou | 1,171.94 mi (1,886.06 km) |
| Middlesbrough to Jilava | 1,403.20 mi (2,258.23 km) |
| Middlesbrough to Jimbolia | 1,138.70 mi (1,832.56 km) |
| Middlesbrough to Liesti | 1,404.32 mi (2,260.03 km) |
| Middlesbrough to Lipova | 1,161.04 mi (1,868.51 km) |
| Middlesbrough to Liteni | 1,290.32 mi (2,076.56 km) |
| Middlesbrough to Ludus | 1,236.09 mi (1,989.29 km) |
| Middlesbrough to Lugoj | 1,186.59 mi (1,909.63 km) |
| Middlesbrough to Lupeni | 1,250.81 mi (2,012.99 km) |
| Middlesbrough to Magurele | 1,400.63 mi (2,254.09 km) |
| Middlesbrough to Mangalia | 1,521.47 mi (2,448.57 km) |
