Distance between cities › USA › South Dakota › Spearfish, SD › Distance from Spearfish to Saint Onge Book Hotels

Distance from Spearfish, SD to Saint Onge, SD

Distance

13 mi

Time

19 minutes

Gas Cost

$1 - $2

There are 7.81 miles from Spearfish to Saint Onge in northeast direction and 13 miles (20.92 kilometers) by car, following the Saint Onge Road route.

Spearfish and Saint Onge are 19 minutes far apart, if you drive non-stop .

This is the fastest route from Spearfish, SD to Saint Onge, SD.

Spearfish, SD and Saint Onge, SD are in the same time zone (MDT). Current time in both locations is 5:33 am.

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Lowest Price Rental Cars in Spearfish, SD

Planning on renting a car to go from Spearfish, SD to Saint Onge, SD? Here there are some offers to rent a car in Spearfish, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Spearfish »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.51 gallons of gas to cover the route between Spearfish, SD and Saint Onge, SD.

The estimated cost of gas to go from Spearfish to Saint Onge is $1.58.

During the route, an average car will release 9.90 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 $3.14 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Spearfish, SD and Saint Onge, SD

If you want to meet halfway between Spearfish, SD and Saint Onge, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 44.475052 and -103.753098, or 44º 28' 30.1872" N, 103º 45' 11.1528" W. This location is 6.29 miles away from Spearfish, SD and Saint Onge, SD and it would take approximately 9 minutes to reach the halfway point from both locations.