| Big Spring to Imola | 5,683.46 mi (9,146.64 km) |
| Big Spring to Impruneta | 5,693.94 mi (9,163.50 km) |
| Big Spring to Induno Olona | 5,509.02 mi (8,865.91 km) |
| Big Spring to Inverigo | 5,528.67 mi (8,897.53 km) |
| Big Spring to Inveruno | 5,523.31 mi (8,888.90 km) |
| Big Spring to Inzago | 5,547.25 mi (8,927.44 km) |
| Big Spring to Iseo | 5,564.10 mi (8,954.55 km) |
| Big Spring to Isernia | 5,902.49 mi (9,499.14 km) |
| Big Spring to Isola Capo Rizzuto | 6,135.98 mi (9,874.90 km) |
| Big Spring to Isola del Liri | 5,872.69 mi (9,451.18 km) |
| Big Spring to Isola della Scala | 5,617.28 mi (9,040.14 km) |
| Big Spring to Isola Vicentina | 5,618.64 mi (9,042.33 km) |
| Big Spring to Ispica | 6,145.44 mi (9,890.13 km) |
| Big Spring to Istrana | 5,641.17 mi (9,078.58 km) |
| Big Spring to Itri | 5,888.61 mi (9,476.80 km) |
