| Islington to Hormigueros (Puerto Rico) | 4,260.71 mi (6,856.96 km) |
| Islington to Horn Lake (Mississippi) | 4,374.66 mi (7,040.34 km) |
| Islington to Hot Springs (Arkansas) | 4,515.28 mi (7,266.65 km) |
| Islington to Hot Springs Village (Arkansas) | 4,503.51 mi (7,247.69 km) |
| Islington to Houma (Louisiana) | 4,671.58 mi (7,518.18 km) |
| Islington to Houston (Texas) | 4,848.05 mi (7,802.19 km) |
| Islington to Howard (Wisconsin) | 3,840.97 mi (6,181.44 km) |
| Islington to Huber Heights (Ohio) | 3,904.89 mi (6,284.31 km) |
| Islington to Hudson (Florida) | 4,403.41 mi (7,086.61 km) |
| Islington to Hudson (Ohio) | 3,736.59 mi (6,013.46 km) |
| Islington to Hudson (Wisconsin) | 3,992.10 mi (6,424.66 km) |
| Islington to Hueytown (Alabama) | 4,329.51 mi (6,967.67 km) |
| Islington to Hugo (Minnesota) | 3,990.72 mi (6,422.45 km) |
| Islington to Humacao (Puerto Rico) | 4,204.84 mi (6,767.03 km) |
| Islington to Humble (Texas) | 4,832.49 mi (7,777.14 km) |
