Distance between cities › USA › South Dakota › Lily, SD › Distance from Lily to Riddle Book Hotels

Distance from Lily, SD to Riddle, ID

Distance

1,306 mi

Time

23 hours 25 mins

Gas Cost

$123 - $239

There are 941.42 miles from Lily to Riddle in southwest direction and 1,306 miles (2,101.80 kilometers) by car, following the I-94 route.

Lily and Riddle are 23 hours 25 mins far apart, if you drive non-stop .

This is the fastest route from Lily, SD to Riddle, ID. The halfway point is Custer, MT.

Please note the time difference between Lily, SD and Riddle, ID is 1 hour. The current time in Lily is 1:49 am and the current time in Riddle is 12:49 am.

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Lowest Price Rental Cars in Lily, SD

Planning on renting a car to go from Lily, SD to Riddle, ID? Here there are some offers to rent a car in Lily, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Lily »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 52.45 gallons of gas to cover the route between Lily, SD and Riddle, ID.

The estimated cost of gas to go from Lily to Riddle is $172.61.

During the route, an average car will release 1,027.61 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 $3.29 per gallon of regular gas. Price last updated on March 13, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Lily, SD and Riddle, ID

If you want to meet halfway between Lily, SD and Riddle, ID or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 46.076145 and -107.637138, or 46º 4' 34.122" N, 107º 38' 13.6968" W. This location is 653.01 miles away from Lily, SD and Riddle, ID and it would take approximately 11 hours 42 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Custer, MT, situated 615 miles from Lily, SD and 691 miles from Riddle, ID. It would take 10 hours 54 mins to go from Lily to Custer and 11 hours 36 mins to go from Riddle to Custer.