| Naples to Ifield | 990.24 mi (1,593.63 km) |
| Naples to Ilford | 1,000.50 mi (1,610.15 km) |
| Naples to Ilfracombe | 1,130.58 mi (1,819.49 km) |
| Naples to Ilkeston | 1,109.99 mi (1,786.36 km) |
| Naples to Ilkley | 1,170.65 mi (1,883.98 km) |
| Naples to Immingham | 1,109.39 mi (1,785.39 km) |
| Naples to Ince-in-Makerfield | 1,175.92 mi (1,892.45 km) |
| Naples to Inverness | 1,411.15 mi (2,271.03 km) |
| Naples to Inverurie | 1,355.18 mi (2,180.94 km) |
| Naples to Ipswich | 991.96 mi (1,596.40 km) |
| Naples to Irlam | 1,166.11 mi (1,876.67 km) |
| Naples to Irthlingborough | 1,058.25 mi (1,703.09 km) |
| Naples to Irvine | 1,333.27 mi (2,145.70 km) |
| Naples to Islington | 1,005.90 mi (1,618.83 km) |
| Naples to Iver | 1,017.92 mi (1,638.18 km) |
