Wake Island shares Johnston Atoll's extreme isolation in the Pacific and restricted access through military/research channels. Both are uninhabited atolls where civilian visitors must navigate special permissions and limited transportation schedules. The experience centers on pristine coral environments and the profound remoteness of being hundreds of miles from any population center.

Midway Atoll matches Johnston's Pacific isolation and controlled access, though focused on wildlife conservation rather than military operations. Both require advance coordination for visits and offer the rare experience of pristine coral atolls far from civilization. The sense of scale and remoteness creates similar feelings of being at the edge of the world.

Svalbard shares Johnston Atoll's combination of extreme environment and access controls, though in the Arctic rather than Pacific. Both require special permissions, have limited transportation windows, and offer experiences of profound isolation. The scale of wilderness and the sense of being in a highly regulated, pristine environment creates similar psychological impacts.

Pitcairn shares Johnston's Pacific isolation and extremely limited access, though with a tiny resident population. Both locations require extensive advance planning and offer the experience of being thousands of miles from anywhere. The journey itself becomes part of the experience, with infrequent transport and the need to adapt to remote island timing.

South Georgia matches Johnston's research station atmosphere and controlled access in an extremely remote setting. Both offer encounters with pristine environments where human presence is minimal and regulated. The experience involves adapting to scientific research schedules and weather windows, with the landscape dominating all human activity.