| Glen Carbon to Haverhill (Massachusetts) | 1,024.61 mi (1,648.95 km) |
| Glen Carbon to Havre de Grace (Maryland) | 744.28 mi (1,197.80 km) |
| Glen Carbon to Hawaiian Gardens (California) | 1,594.26 mi (2,565.71 km) |
| Glen Carbon to Hawaiian Paradise Park (Hawaii) | 4,051.38 mi (6,520.06 km) |
| Glen Carbon to Hawthorne (California) | 1,607.01 mi (2,586.24 km) |
| Glen Carbon to Hawthorne (New Jersey) | 851.69 mi (1,370.67 km) |
| Glen Carbon to Hayden (Idaho) | 1,476.25 mi (2,375.79 km) |
| Glen Carbon to Hayesville (Oregon) | 1,738.00 mi (2,797.04 km) |
| Glen Carbon to Hays (Kansas) | 502.64 mi (808.92 km) |
| Glen Carbon to Haysville (Kansas) | 408.69 mi (657.72 km) |
| Glen Carbon to Hayward (California) | 1,735.55 mi (2,793.09 km) |
| Glen Carbon to Hazel Crest (Illinois) | 229.07 mi (368.65 km) |
| Glen Carbon to Hazel Dell (Washington) | 1,725.51 mi (2,776.95 km) |
| Glen Carbon to Hazel Park (Michigan) | 442.36 mi (711.91 km) |
| Glen Carbon to Hazelwood (Missouri) | 22.09 mi (35.56 km) |
