.
Nothing follows.
Defective post.
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Use the triangle inequality.
All what is longer or equal to the sum 109 + 91 = 200 miles is not possible.
All what is shorter or equal to the difference 109 - 91 = 18 miles is not possible.
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For your info: when the post asks : "which of following . . . " and nothing follows - then the post is defective by the definition.