| Highgate to Indianola (Iowa) | 4,191.84 mi (6,746.12 km) |
| Highgate to Indio (California) | 5,389.99 mi (8,674.34 km) |
| Highgate to Inglewood (California) | 5,445.68 mi (8,763.97 km) |
| Highgate to Inkster (Michigan) | 3,760.06 mi (6,051.23 km) |
| Highgate to Inver Grove Heights (Minnesota) | 4,007.86 mi (6,450.03 km) |
| Highgate to Inwood (New York) | 3,452.61 mi (5,556.43 km) |
| Highgate to Iona (Florida) | 4,463.50 mi (7,183.32 km) |
| Highgate to Ionia (Michigan) | 3,796.91 mi (6,110.54 km) |
| Highgate to Iowa City (Iowa) | 4,102.25 mi (6,601.93 km) |
| Highgate to Irmo (South Carolina) | 4,056.90 mi (6,528.95 km) |
| Highgate to Irondale (Alabama) | 4,306.66 mi (6,930.90 km) |
| Highgate to Ironton (Ohio) | 3,907.28 mi (6,288.16 km) |
| Highgate to Irvine (California) | 5,443.33 mi (8,760.20 km) |
| Highgate to Irving (Texas) | 4,747.83 mi (7,640.89 km) |
| Highgate to Isabela (Puerto Rico) | 4,236.30 mi (6,817.67 km) |
