| Horsforth to Iselin (New Jersey) | 3,372.43 mi (5,427.41 km) |
| Horsforth to Isla Vista (California) | 5,315.56 mi (8,554.57 km) |
| Horsforth to Issaquah (Washington) | 4,614.91 mi (7,426.98 km) |
| Horsforth to Ithaca (New York) | 3,372.33 mi (5,427.25 km) |
| Horsforth to Ives Estates (Florida) | 4,331.23 mi (6,970.44 km) |
| Horsforth to Jackson (Michigan) | 3,681.79 mi (5,925.26 km) |
| Horsforth to Jackson (Mississippi) | 4,396.96 mi (7,076.22 km) |
| Horsforth to Jackson (Missouri) | 4,116.21 mi (6,624.39 km) |
| Horsforth to Jackson (Tennessee) | 4,172.63 mi (6,715.21 km) |
| Horsforth to Jackson (Wyoming) | 4,523.83 mi (7,280.40 km) |
| Horsforth to Jacksonville (Alabama) | 4,147.77 mi (6,675.19 km) |
| Horsforth to Jacksonville (Arkansas) | 4,336.93 mi (6,979.61 km) |
| Horsforth to Jacksonville (Florida) | 4,164.41 mi (6,701.97 km) |
| Horsforth to Jacksonville (Illinois) | 4,020.10 mi (6,469.73 km) |
| Horsforth to Jacksonville (North Carolina) | 3,772.38 mi (6,071.06 km) |
