| Johnston to Home Gardens (California) | 1,400.79 mi (2,254.35 km) |
| Johnston to Homer Glen (Illinois) | 298.10 mi (479.74 km) |
| Johnston to Homestead (Florida) | 1,353.06 mi (2,177.54 km) |
| Johnston to Homewood (Alabama) | 682.56 mi (1,098.47 km) |
| Johnston to Homewood (Illinois) | 313.18 mi (504.01 km) |
| Johnston to Homosassa Springs (Florida) | 1,088.78 mi (1,752.23 km) |
| Johnston to Honeygo (Maryland) | 920.01 mi (1,480.62 km) |
| Johnston to Honolulu (Hawaii) | 3,934.20 mi (6,331.48 km) |
| Johnston to Hoover (Alabama) | 687.67 mi (1,106.70 km) |
| Johnston to Hopatcong (New Jersey) | 988.51 mi (1,590.86 km) |
| Johnston to Hope Mills (North Carolina) | 923.26 mi (1,485.84 km) |
| Johnston to Hopewell (Virginia) | 925.27 mi (1,489.08 km) |
| Johnston to Hopkins (Minnesota) | 224.08 mi (360.62 km) |
| Johnston to Hopkinsville (Kentucky) | 473.10 mi (761.37 km) |
| Johnston to Horizon City (Texas) | 975.54 mi (1,569.99 km) |
