| Buckingham to Imola | 786.17 mi (1,265.21 km) |
| Buckingham to Impruneta | 805.30 mi (1,296.00 km) |
| Buckingham to Induno Olona | 614.64 mi (989.16 km) |
| Buckingham to Inverigo | 633.13 mi (1,018.93 km) |
| Buckingham to Inveruno | 632.27 mi (1,017.54 km) |
| Buckingham to Inzago | 652.02 mi (1,049.33 km) |
| Buckingham to Iseo | 664.92 mi (1,070.09 km) |
| Buckingham to Isernia | 1,013.06 mi (1,630.37 km) |
| Buckingham to Isola Capo Rizzuto | 1,249.73 mi (2,011.24 km) |
| Buckingham to Isola del Liri | 987.17 mi (1,588.69 km) |
| Buckingham to Isola della Scala | 716.76 mi (1,153.52 km) |
| Buckingham to Isola Vicentina | 714.86 mi (1,150.45 km) |
| Buckingham to Ispica | 1,305.33 mi (2,100.73 km) |
| Buckingham to Istrana | 735.99 mi (1,184.46 km) |
| Buckingham to Itri | 1,007.37 mi (1,621.20 km) |
