| Norristown to Imola | 4,242.75 mi (6,828.04 km) |
| Norristown to Impruneta | 4,245.54 mi (6,832.54 km) |
| Norristown to Induno Olona | 4,069.94 mi (6,549.93 km) |
| Norristown to Inverigo | 4,090.04 mi (6,582.29 km) |
| Norristown to Inveruno | 4,081.26 mi (6,568.15 km) |
| Norristown to Inzago | 4,107.87 mi (6,610.98 km) |
| Norristown to Iseo | 4,128.17 mi (6,643.65 km) |
| Norristown to Isernia | 4,449.68 mi (7,161.07 km) |
| Norristown to Isola Capo Rizzuto | 4,675.62 mi (7,524.68 km) |
| Norristown to Isola del Liri | 4,417.63 mi (7,109.49 km) |
| Norristown to Isola della Scala | 4,181.76 mi (6,729.90 km) |
| Norristown to Isola Vicentina | 4,188.31 mi (6,740.43 km) |
| Norristown to Ispica | 4,661.11 mi (7,501.33 km) |
| Norristown to Istrana | 4,214.10 mi (6,781.93 km) |
| Norristown to Itri | 4,430.29 mi (7,129.87 km) |
