| Johnston to Imola | 4,917.09 mi (7,913.29 km) |
| Johnston to Impruneta | 4,929.54 mi (7,933.33 km) |
| Johnston to Induno Olona | 4,742.89 mi (7,632.94 km) |
| Johnston to Inverigo | 4,762.35 mi (7,664.26 km) |
| Johnston to Inveruno | 4,757.87 mi (7,657.05 km) |
| Johnston to Inzago | 4,781.05 mi (7,694.36 km) |
| Johnston to Iseo | 4,796.99 mi (7,720.01 km) |
| Johnston to Isernia | 5,138.56 mi (8,269.72 km) |
| Johnston to Isola Capo Rizzuto | 5,373.45 mi (8,647.74 km) |
| Johnston to Isola del Liri | 5,109.53 mi (8,222.99 km) |
| Johnston to Isola della Scala | 4,849.89 mi (7,805.14 km) |
| Johnston to Isola Vicentina | 4,850.07 mi (7,805.43 km) |
| Johnston to Ispica | 5,391.87 mi (8,677.37 km) |
| Johnston to Istrana | 4,871.82 mi (7,840.44 km) |
| Johnston to Itri | 5,126.38 mi (8,250.10 km) |
