| Prospect Heights to Harrison (Ohio) | 256.32 mi (412.51 km) |
| Prospect Heights to Harrison (Wisconsin) | 145.56 mi (234.26 km) |
| Prospect Heights to Harrisonburg (Virginia) | 539.97 mi (868.99 km) |
| Prospect Heights to Hartford (Connecticut) | 782.80 mi (1,259.79 km) |
| Prospect Heights to Hartford (Wisconsin) | 87.25 mi (140.42 km) |
| Prospect Heights to Hartselle (Alabama) | 532.27 mi (856.61 km) |
| Prospect Heights to Hartsville (Tennessee) | 405.82 mi (653.11 km) |
| Prospect Heights to Harvey (Illinois) | 37.09 mi (59.69 km) |
| Prospect Heights to Harvey (Louisiana) | 852.42 mi (1,371.83 km) |
| Prospect Heights to Hasbrouck Heights (New Jersey) | 721.34 mi (1,160.88 km) |
| Prospect Heights to Haslett (Michigan) | 185.24 mi (298.12 km) |
| Prospect Heights to Hastings (Minnesota) | 306.68 mi (493.56 km) |
| Prospect Heights to Hastings (Nebraska) | 552.24 mi (888.74 km) |
| Prospect Heights to Hattiesburg (Mississippi) | 749.90 mi (1,206.85 km) |
| Prospect Heights to Hauppauge (New York) | 766.12 mi (1,232.95 km) |
