| Istrana to Ifield | 676.86 mi (1,089.31 km) |
| Istrana to Ilford | 681.13 mi (1,096.17 km) |
| Istrana to Ilfracombe | 833.19 mi (1,340.89 km) |
| Istrana to Ilkeston | 784.02 mi (1,261.76 km) |
| Istrana to Ilkley | 839.72 mi (1,351.39 km) |
| Istrana to Immingham | 775.08 mi (1,247.37 km) |
| Istrana to Ince-in-Makerfield | 850.23 mi (1,368.31 km) |
| Istrana to Inverness | 1,069.26 mi (1,720.80 km) |
| Istrana to Inverurie | 1,010.61 mi (1,626.42 km) |
| Istrana to Ipswich | 663.16 mi (1,067.25 km) |
| Istrana to Irlam | 840.52 mi (1,352.69 km) |
| Istrana to Irthlingborough | 734.84 mi (1,182.61 km) |
| Istrana to Irvine | 1,000.42 mi (1,610.02 km) |
| Istrana to Islington | 687.54 mi (1,106.48 km) |
| Istrana to Iver | 701.67 mi (1,129.22 km) |
