| Glenn Dale to Imola | 4,352.15 mi (7,004.11 km) |
| Glenn Dale to Impruneta | 4,354.67 mi (7,008.17 km) |
| Glenn Dale to Induno Olona | 4,179.46 mi (6,726.19 km) |
| Glenn Dale to Inverigo | 4,199.58 mi (6,758.56 km) |
| Glenn Dale to Inveruno | 4,190.68 mi (6,744.25 km) |
| Glenn Dale to Inzago | 4,217.37 mi (6,787.21 km) |
| Glenn Dale to Iseo | 4,237.77 mi (6,820.03 km) |
| Glenn Dale to Isernia | 4,558.55 mi (7,336.28 km) |
| Glenn Dale to Isola Capo Rizzuto | 4,784.07 mi (7,699.21 km) |
| Glenn Dale to Isola del Liri | 4,526.43 mi (7,284.58 km) |
| Glenn Dale to Isola della Scala | 4,291.36 mi (6,906.27 km) |
| Glenn Dale to Isola Vicentina | 4,298.05 mi (6,917.04 km) |
| Glenn Dale to Ispica | 4,768.22 mi (7,673.72 km) |
| Glenn Dale to Istrana | 4,323.91 mi (6,958.67 km) |
| Glenn Dale to Itri | 4,538.94 mi (7,304.72 km) |
