| Prospect Heights to Hickory Hills (Illinois) | 26.68 mi (42.94 km) |
| Prospect Heights to Hicksville (New York) | 750.86 mi (1,208.39 km) |
| Prospect Heights to Hidalgo (Texas) | 1,250.67 mi (2,012.76 km) |
| Prospect Heights to High Point (North Carolina) | 599.14 mi (964.22 km) |
| Prospect Heights to Highland (California) | 1,672.99 mi (2,692.41 km) |
| Prospect Heights to Highland (Illinois) | 248.76 mi (400.34 km) |
| Prospect Heights to Highland (Indiana) | 45.32 mi (72.94 km) |
| Prospect Heights to Highland (Utah) | 1,240.96 mi (1,997.14 km) |
| Prospect Heights to Highland City (Florida) | 1,034.48 mi (1,664.84 km) |
| Prospect Heights to Highland Park (Illinois) | 8.05 mi (12.96 km) |
| Prospect Heights to Highland Park (New Jersey) | 708.57 mi (1,140.33 km) |
| Prospect Heights to Highland Springs (Virginia) | 643.66 mi (1,035.87 km) |
| Prospect Heights to Highland Village (Texas) | 797.72 mi (1,283.80 km) |
| Prospect Heights to Highlands Ranch (Colorado) | 906.95 mi (1,459.59 km) |
| Prospect Heights to Hillcrest (California) | 1,725.09 mi (2,776.26 km) |
