| Highland to Indianola (Iowa) | 1,377.96 mi (2,217.62 km) |
| Highland to Indio (California) | 59.35 mi (95.52 km) |
| Highland to Inglewood (California) | 68.37 mi (110.03 km) |
| Highland to Inkster (Michigan) | 1,908.63 mi (3,071.64 km) |
| Highland to Inver Grove Heights (Minnesota) | 1,475.30 mi (2,374.26 km) |
| Highland to Inwood (New York) | 2,401.23 mi (3,864.40 km) |
| Highland to Iona (Florida) | 2,152.99 mi (3,464.90 km) |
| Highland to Ionia (Michigan) | 1,826.04 mi (2,938.73 km) |
| Highland to Iowa City (Iowa) | 1,485.11 mi (2,390.05 km) |
| Highland to Irmo (South Carolina) | 2,046.87 mi (3,294.12 km) |
| Highland to Irondale (Alabama) | 1,744.75 mi (2,807.91 km) |
| Highland to Ironton (Ohio) | 1,932.49 mi (3,110.04 km) |
| Highland to Irvine (California) | 46.03 mi (74.08 km) |
| Highland to Irving (Texas) | 1,165.06 mi (1,874.99 km) |
| Highland to Isabela (Puerto Rico) | 3,252.08 mi (5,233.72 km) |
