Carpool from Casper to Thermopolis

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Straight line shown for reference — not the actual driving route.

Fuel cost from Casper to Thermopolis (132 miles)

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Expected fuel costs
~$24
if you travel alone
How we calculated this
mi
mpg
gal
Source: U.S. EIA – PADD 4 · updated 4 days ago
USD
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Fuel for the trip
$24

These numbers are estimates only, so double-check the distance and the fuel price in your area, and leave room for detours, traffic or toll roads. You can type your own price and the result updates. Real consumption also depends on driving style and load.

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🇺🇸 Casper to Thermopolis
Ride wanted Friday, October 30, 2026 12:00 PM Casper Thermopolis

Going to the Crippled Spider RV park & Campground on 423 US-20 in Thermopolis.

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