Distance between cities › USA › South Dakota › Webster, SD › Distance from Webster to Amherst Book Hotels

Distance from Webster, SD to Amherst, TX

Distance

986 mi

Time

19 hours 9 mins

Gas Cost

$92 - $179

There are 824.02 miles from Webster to Amherst in southwest direction and 986 miles (1,586.81 kilometers) by car, following the US-81 route.

Webster and Amherst are 19 hours 9 mins far apart, if you drive non-stop .

This is the fastest route from Webster, SD to Amherst, TX. The halfway point is North Newton, KS.

Webster, SD and Amherst, TX are in the same time zone (CDT). Current time in both locations is 4:25 am.

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Lowest Price Rental Cars in Webster, SD

Planning on renting a car to go from Webster, SD to Amherst, TX? Here there are some offers to rent a car in Webster, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Webster »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 39.58 gallons of gas to cover the route between Webster, SD and Amherst, TX.

The estimated cost of gas to go from Webster to Amherst is $129.12.

During the route, an average car will release 775.51 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 Webster, SD and Amherst, TX

If you want to meet halfway between Webster, SD and Amherst, TX or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.071175 and -97.328850, or 38º 4' 16.23" N, 97º 19' 43.86" W. This location is 492.81 miles away from Webster, SD and Amherst, TX and it would take approximately 9 hours 34 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is North Newton, KS, situated 583 miles from Webster, SD and 552 miles from Amherst, TX. It would take 8 hours 43 mins to go from Webster to North Newton and 8 hours 53 mins to go from Amherst to North Newton.

Major City Closest to Halfway Point

The major city closest to the halfway point between Webster, SD and Amherst, TX is Wichita, KS, situated 611 miles from Webster, SD and 524 miles from Amherst, TX. It would take 9 hours 9 mins to go from Webster to and 8 hours 29 mins to go from Amherst to Wichita.