| Hackettstown to Imola | 4,191.49 mi (6,745.55 km) |
| Hackettstown to Impruneta | 4,194.67 mi (6,750.67 km) |
| Hackettstown to Induno Olona | 4,018.50 mi (6,467.16 km) |
| Hackettstown to Inverigo | 4,038.60 mi (6,499.50 km) |
| Hackettstown to Inveruno | 4,029.98 mi (6,485.62 km) |
| Hackettstown to Inzago | 4,056.48 mi (6,528.27 km) |
| Hackettstown to Iseo | 4,076.62 mi (6,560.68 km) |
| Hackettstown to Isernia | 4,399.15 mi (7,079.74 km) |
| Hackettstown to Isola Capo Rizzuto | 4,625.62 mi (7,444.21 km) |
| Hackettstown to Isola del Liri | 4,367.21 mi (7,028.34 km) |
| Hackettstown to Isola della Scala | 4,130.22 mi (6,646.95 km) |
| Hackettstown to Isola Vicentina | 4,136.53 mi (6,657.11 km) |
| Hackettstown to Ispica | 4,612.64 mi (7,423.33 km) |
| Hackettstown to Istrana | 4,162.19 mi (6,698.40 km) |
| Hackettstown to Itri | 4,380.06 mi (7,049.02 km) |
