Distance between cities › USA › California › Idyllwild, CA › Distance from Idyllwild to Spencer Book Hotels

Distance from Idyllwild, CA to Spencer, SD

Distance

1,632 mi

Time

1 day 4 hours

Gas Cost

$152 - $296

There are 1,235.25 miles from Idyllwild to Spencer in northeast direction and 1,632 miles (2,626.45 kilometers) by car, following the I-15 route.

Idyllwild and Spencer are 1 day 4 hours far apart, if you drive non-stop .

This is the fastest route from Idyllwild, CA to Spencer, SD.

Please note the time difference between Idyllwild, CA and Spencer, SD is 2 hours. The current time in Idyllwild is 8:07 pm and the current time in Spencer is 10:07 pm.

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Lowest Price Rental Cars in Idyllwild, CA

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Idyllwild »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 65.54 gallons of gas to cover the route between Idyllwild, CA and Spencer, SD.

The estimated cost of gas to go from Idyllwild to Spencer is $213.79.

During the route, an average car will release 1,284.05 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 Idyllwild, CA and Spencer, SD

If you want to meet halfway between Idyllwild, CA and Spencer, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.627959 and -109.086691, or 41º 37' 40.6524" N, 109º 5' 12.0876" W. This location is 815.96 miles away from Idyllwild, CA and Spencer, SD and it would take approximately 14 hours 16 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Reliance, WY, situated 860 miles from Idyllwild, CA and 783 miles from Spencer, SD. It would take 15 hours 14 mins to go from Idyllwild to Reliance and 13 hours 47 mins to go from Spencer to Reliance.