| Gunbarrel to Hazleton (Pennsylvania) | 1,528.00 mi (2,459.08 km) |
| Gunbarrel to Healdsburg (California) | 949.10 mi (1,527.43 km) |
| Gunbarrel to Heath (Ohio) | 1,199.01 mi (1,929.62 km) |
| Gunbarrel to Heber (Utah) | 329.58 mi (530.41 km) |
| Gunbarrel to Helena (Alabama) | 1,113.85 mi (1,792.56 km) |
| Gunbarrel to Helena (Montana) | 567.20 mi (912.83 km) |
| Gunbarrel to Hemet (California) | 785.15 mi (1,263.57 km) |
| Gunbarrel to Henderson (Kentucky) | 956.01 mi (1,538.55 km) |
| Gunbarrel to Henderson (Nevada) | 604.96 mi (973.60 km) |
| Gunbarrel to Henderson (North Carolina) | 1,469.92 mi (2,365.60 km) |
| Gunbarrel to Henderson (Texas) | 795.02 mi (1,279.47 km) |
| Gunbarrel to Hendersonville (North Carolina) | 1,280.33 mi (2,060.50 km) |
| Gunbarrel to Hendersonville (Tennessee) | 1,039.32 mi (1,672.63 km) |
| Gunbarrel to Hercules (California) | 926.41 mi (1,490.91 km) |
| Gunbarrel to Hereford (Texas) | 392.66 mi (631.92 km) |
