8.5 hours
If you are standing precisely at the South pole, you can only travel north.
You would travel south.
south
North of course! There is no other way to travel.
Travel north.
Since South Dakota is directly north of Kansas, you would travel north.
Due north.
no
You travel south.
To travel from the US state of South Dakota to Oklahoma, you would travel south.
South.
north to south or south to north