Distance between cities › USA › Texas › Iraan, TX › Distance from Iraan to Keystone Book Hotels

Distance from Iraan, TX to Keystone, SD

Distance

1,030 mi

Time

20 hours 1 min

Gas Cost

$94 - $183

There are 900.76 miles from Iraan to Keystone in north direction and 1,030 miles (1,657.62 kilometers) by car, following the US-287 route.

Iraan and Keystone are 20 hours 1 min far apart, if you drive non-stop .

This is the fastest route from Iraan, TX to Keystone, SD.

Please note the time difference between Iraan, TX and Keystone, SD is 1 hour. The current time in Iraan is 6:54 pm and the current time in Keystone is 5:54 pm.

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Lowest Price Rental Cars in Iraan, TX

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

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Iraan »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 41.36 gallons of gas to cover the route between Iraan, TX and Keystone, SD.

The estimated cost of gas to go from Iraan to Keystone is $132.50.

During the route, an average car will release 810.23 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 $3.20 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Iraan, TX and Keystone, SD

If you want to meet halfway between Iraan, TX and Keystone, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 37.992119 and -102.613197, or 37º 59' 31.6284" N, 102º 36' 47.5092" W. This location is 514.87 miles away from Iraan, TX and Keystone, SD and it would take approximately 10 hours to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Lamar, CO, situated 536 miles from Iraan, TX and 494 miles from Keystone, SD. It would take 9 hours 48 mins to go from Iraan to Lamar and 10 hours 14 mins to go from Keystone to Lamar.