| Philadelphia to Imola | 4,238.50 mi (6,821.21 km) |
| Philadelphia to Impruneta | 4,241.11 mi (6,825.41 km) |
| Philadelphia to Induno Olona | 4,065.78 mi (6,543.25 km) |
| Philadelphia to Inverigo | 4,085.90 mi (6,575.61 km) |
| Philadelphia to Inveruno | 4,077.03 mi (6,561.34 km) |
| Philadelphia to Inzago | 4,103.70 mi (6,604.27 km) |
| Philadelphia to Iseo | 4,124.07 mi (6,637.06 km) |
| Philadelphia to Isernia | 4,445.08 mi (7,153.67 km) |
| Philadelphia to Isola Capo Rizzuto | 4,670.77 mi (7,516.88 km) |
| Philadelphia to Isola del Liri | 4,412.99 mi (7,102.02 km) |
| Philadelphia to Isola della Scala | 4,177.66 mi (6,723.30 km) |
| Philadelphia to Isola Vicentina | 4,184.33 mi (6,734.03 km) |
| Philadelphia to Ispica | 4,655.61 mi (7,492.48 km) |
| Philadelphia to Istrana | 4,210.18 mi (6,775.64 km) |
| Philadelphia to Itri | 4,425.56 mi (7,122.25 km) |
