Distance between cities › USA › California › Eureka, CA › Distance from Eureka to Watertown Book Hotels

Distance from Eureka, CA to Watertown, SD

Distance

1,922 mi

Time

1 day 9 hours

Gas Cost

$179 - $348

There are 1,392.23 miles from Eureka to Watertown in northeast direction and 1,922 miles (3,093.16 kilometers) by car, following the I-80 route.

Eureka and Watertown are 1 day 9 hours far apart, if you drive non-stop .

This is the fastest route from Eureka, CA to Watertown, SD. The halfway point is Rock Springs, WY.

Please note the time difference between Eureka, CA and Watertown, SD is 2 hours. The current time in Eureka is 9:36 am and the current time in Watertown is 11:36 am.

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Lowest Price Rental Cars in Eureka, CA

Planning on renting a car to go from Eureka, CA to Watertown, SD? Here there are some offers to rent a car in Eureka, CA

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Eureka »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 77.18 gallons of gas to cover the route between Eureka, CA and Watertown, SD.

The estimated cost of gas to go from Eureka to Watertown is $251.77.

During the route, an average car will release 1,512.17 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Eureka, CA and Watertown, SD

If you want to meet halfway between Eureka, CA and Watertown, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.621105 and -109.056633, or 41º 37' 15.978" N, 109º 3' 23.8788" W. This location is 960.93 miles away from Eureka, CA and Watertown, SD and it would take approximately 16 hours 59 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Rock Springs, WY, situated 1,044 miles from Eureka, CA and 996 miles from Watertown, SD. It would take 15 hours 53 mins to go from Eureka to Rock Springs and 13 hours 37 mins to go from Watertown to Rock Springs.