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

Distance from Lily, SD to Diagonal, IA

Distance

431 mi

Time

8 hours 17 mins

Gas Cost

$40 - $78

There are 345.98 miles from Lily to Diagonal in southeast direction and 431 miles (693.63 kilometers) by car, following the I-29 route.

Lily and Diagonal are 8 hours 17 mins far apart, if you drive non-stop .

This is the fastest route from Lily, SD to Diagonal, IA.

Lily, SD and Diagonal, IA are in the same time zone (CDT). Current time in both locations is 12:21 am.

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Lowest Price Rental Cars in Lily, SD

Planning on renting a car to go from Lily, SD to Diagonal, IA? 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 17.30 gallons of gas to cover the route between Lily, SD and Diagonal, IA.

The estimated cost of gas to go from Lily to Diagonal is $56.43.

During the route, an average car will release 338.94 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 Lily, SD and Diagonal, IA

If you want to meet halfway between Lily, SD and Diagonal, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.494456 and -96.474761, or 42º 29' 40.0416" N, 96º 28' 29.1396" W. This location is 215.39 miles away from Lily, SD and Diagonal, IA and it would take approximately 4 hours 8 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Dakota Dunes, SD, situated 223 miles from Lily, SD and 212 miles from Diagonal, IA. It would take 4 hours to go from Lily to Dakota Dunes and 4 hours 28 mins to go from Diagonal to Dakota Dunes.