What would induce the Captain to be making preparations for foot travel?

Never was no hand for foot travel, not even when I felt good.

The wilderness can be accessed by trails (via foot travel or on horseback) from surrounding roads.

As a teleporter, perhaps Pucky doesn't have a proper time-sense for foot travel.

Access is by boat only and foot travel is extremely difficult due to the soft marsh environment.

I need not depend on anything as slow as foot travel.

Starfleet seemed to put a higher premium on foot travel than Alcawellians did.

Before motor transport was common, foot travel over long distances was essential to agriculture in the Australian bush.

To protect this habitat and prevent disturbing wildlife, the valley is closed to off-trail foot travel.

Muscular waves of foot travel from front to rear (retrograde).