It's 93.6 miles from Seward to Soldotna via land. It's a 2.5 hour drive. No idea how to traverse that via water.

If I lived it Seward and Bob said "Let's go fish the Ditch", I'd be there in a heartbeat if I was only 2.5 hours away!

Does that help or partially answer your question?
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T.K. Paker