| Kostinbrod to Ifield | 1,237.13 mi (1,990.96 km) |
| Kostinbrod to Ilford | 1,235.11 mi (1,987.72 km) |
| Kostinbrod to Ilfracombe | 1,401.63 mi (2,255.71 km) |
| Kostinbrod to Ilkeston | 1,325.34 mi (2,132.93 km) |
| Kostinbrod to Ilkley | 1,370.48 mi (2,205.58 km) |
| Kostinbrod to Immingham | 1,301.99 mi (2,095.35 km) |
| Kostinbrod to Ince-in-Makerfield | 1,389.48 mi (2,236.16 km) |
| Kostinbrod to Inverness | 1,562.99 mi (2,515.38 km) |
| Kostinbrod to Inverurie | 1,496.52 mi (2,408.41 km) |
| Kostinbrod to Ipswich | 1,205.46 mi (1,939.99 km) |
| Kostinbrod to Irlam | 1,380.29 mi (2,221.36 km) |
| Kostinbrod to Irthlingborough | 1,281.74 mi (2,062.77 km) |
| Kostinbrod to Irvine | 1,521.31 mi (2,448.31 km) |
| Kostinbrod to Islington | 1,242.40 mi (1,999.45 km) |
| Kostinbrod to Iver | 1,258.25 mi (2,024.95 km) |
