| Middlesbrough to Imola | 911.99 mi (1,467.71 km) |
| Middlesbrough to Impruneta | 937.87 mi (1,509.36 km) |
| Middlesbrough to Induno Olona | 747.94 mi (1,203.69 km) |
| Middlesbrough to Inverigo | 764.75 mi (1,230.74 km) |
| Middlesbrough to Inveruno | 767.85 mi (1,235.73 km) |
| Middlesbrough to Inzago | 783.36 mi (1,260.70 km) |
| Middlesbrough to Iseo | 791.63 mi (1,274.00 km) |
| Middlesbrough to Isernia | 1,140.88 mi (1,836.07 km) |
| Middlesbrough to Isola Capo Rizzuto | 1,375.89 mi (2,214.28 km) |
| Middlesbrough to Isola del Liri | 1,117.89 mi (1,799.08 km) |
| Middlesbrough to Isola della Scala | 840.38 mi (1,352.45 km) |
| Middlesbrough to Isola Vicentina | 832.89 mi (1,340.40 km) |
| Middlesbrough to Ispica | 1,447.67 mi (2,329.80 km) |
| Middlesbrough to Istrana | 849.59 mi (1,367.29 km) |
| Middlesbrough to Itri | 1,140.10 mi (1,834.81 km) |
