| Islington to Hilliard (Ohio) | 3,859.14 mi (6,210.69 km) |
| Islington to Hillsboro (Oregon) | 4,918.19 mi (7,915.06 km) |
| Islington to Hillsborough (California) | 5,363.78 mi (8,632.17 km) |
| Islington to Hillsborough (New Jersey) | 3,496.70 mi (5,627.40 km) |
| Islington to Hilo (Hawaii) | 7,287.54 mi (11,728.16 km) |
| Islington to Hilton Head Island (South Carolina) | 4,133.24 mi (6,651.80 km) |
| Islington to Hinesville (Georgia) | 4,186.87 mi (6,738.11 km) |
| Islington to Hinsdale (Illinois) | 3,962.26 mi (6,376.64 km) |
| Islington to Hobart (Indiana) | 3,950.66 mi (6,357.97 km) |
| Islington to Hobbs (New Mexico) | 4,990.69 mi (8,031.74 km) |
| Islington to Hobe Sound (Florida) | 4,360.90 mi (7,018.20 km) |
| Islington to Hoboken (New Jersey) | 3,460.90 mi (5,569.78 km) |
| Islington to Hockessin (Delaware) | 3,570.43 mi (5,746.05 km) |
| Islington to Hoffman Estates (Illinois) | 3,958.32 mi (6,370.30 km) |
| Islington to Holbrook (New York) | 3,419.64 mi (5,503.38 km) |
