| Land Boudaries Total Johnston Atoll :
| .
|
| Geographic Coordinates Johnston Atoll :
| tropical, but generally dry; consistent northeast trade winds with little seasonal temperature variation .
|
| Area Total Johnston Atoll :
| 2.8 sq km .
|
| Area Land Johnston Atoll :
| 2.8 sq km .
|
| Area Water Johnston Atoll :
| 0 sq km .
|
| Area Comparative Johnston Atoll :
| about 4.7 times the size of The Mall in Washington, DC .
|
| Coast Line Johnston Atoll :
| 34 km .
|
| Railways Total Johnston Atoll :
| .
|
| Highways Total Johnston Atoll :
| .
|
| Waterways Johnston Atoll :
| .
|
| Ports and Harbors Johnston Atoll :
| .
|