| Prospect Heights to Horizon West (Florida) | 1,008.12 mi (1,622.41 km) |
| Prospect Heights to Hormigueros (Puerto Rico) | 2,058.33 mi (3,312.56 km) |
| Prospect Heights to Horn Lake (Mississippi) | 507.31 mi (816.43 km) |
| Prospect Heights to Hot Springs (Arkansas) | 594.68 mi (957.04 km) |
| Prospect Heights to Hot Springs Village (Arkansas) | 582.15 mi (936.88 km) |
| Prospect Heights to Houma (Louisiana) | 879.07 mi (1,414.72 km) |
| Prospect Heights to Houston (Texas) | 946.96 mi (1,523.99 km) |
| Prospect Heights to Howard (Wisconsin) | 170.62 mi (274.58 km) |
| Prospect Heights to Huber Heights (Ohio) | 252.18 mi (405.84 km) |
| Prospect Heights to Hudson (Florida) | 994.04 mi (1,599.76 km) |
| Prospect Heights to Hudson (Ohio) | 339.93 mi (547.07 km) |
| Prospect Heights to Hudson (Wisconsin) | 311.30 mi (500.98 km) |
| Prospect Heights to Hueytown (Alabama) | 601.75 mi (968.43 km) |
| Prospect Heights to Hugo (Minnesota) | 328.69 mi (528.98 km) |
| Prospect Heights to Humacao (Puerto Rico) | 2,103.99 mi (3,386.04 km) |
