Do both sentence mean the same?

Chiakingdom We will get to Tokyo before noon unless we leave early in the morning.We will get to Tokyo before noon as long as we don't leave early in the morning.

Your sentences are not correct.
'We will get to Tokyo before noon, as long as we leave early in the morning'. now correct

Yes, but the logic of these sentences seems wrong. They seem to suggest that by leaving earlier you would get to Tokyo later.

GPYYes, but the logic of these sentences seems wrong. They seem to suggest that by leaving earlier you would get to Tokyo later.

Yes, of course they are not logical sentences.

Sorry I made mistake, it needs Not.

We will not get to Tokyo before noon unless we leave early in the morning.
We will not get to Tokyo before noon as long as we don't leave early in the morning.

Do the sentences mean the same?

The first one is fine.

The second one is terrible. I've read it out loud about six times trying to understand what it might mean, and now my head hurts.

Thank you for reading six times!! I understand!!!!!!

ChiakingdomWe will not get to Tokyo before noon as long as we don't leave early in the morning.

I love this one! What a great example of a sentence that totally befuddles the brain.

they both have the same meaning.. right?

I wouldn't say the second sentence has any clear meaning.