| Horsforth to Indianola (Iowa) | 4,059.77 mi (6,533.57 km) |
| Horsforth to Indio (California) | 5,242.04 mi (8,436.24 km) |
| Horsforth to Inglewood (California) | 5,295.50 mi (8,522.29 km) |
| Horsforth to Inkster (Michigan) | 3,638.64 mi (5,855.83 km) |
| Horsforth to Inver Grove Heights (Minnesota) | 3,871.19 mi (6,230.08 km) |
| Horsforth to Inwood (New York) | 3,347.77 mi (5,387.71 km) |
| Horsforth to Iona (Florida) | 4,373.93 mi (7,039.17 km) |
| Horsforth to Ionia (Michigan) | 3,672.07 mi (5,909.63 km) |
| Horsforth to Iowa City (Iowa) | 3,972.06 mi (6,392.41 km) |
| Horsforth to Irmo (South Carolina) | 3,954.29 mi (6,363.82 km) |
| Horsforth to Irondale (Alabama) | 4,196.47 mi (6,753.56 km) |
| Horsforth to Ironton (Ohio) | 3,793.88 mi (6,105.65 km) |
| Horsforth to Irvine (California) | 5,293.92 mi (8,519.74 km) |
| Horsforth to Irving (Texas) | 4,623.74 mi (7,441.18 km) |
| Horsforth to Isabela (Puerto Rico) | 4,194.36 mi (6,750.16 km) |
