Distance between cities › USA › Missouri › Napton, MO › Distance from Napton to Groton Book Hotels

Distance from Napton, MO to Groton, SD

Distance

634 mi

Time

11 hours 12 mins

Gas Cost

$59 - $115

There are 510.63 miles from Napton to Groton in northwest direction and 634 miles (1,020.32 kilometers) by car, following the I-29 and US-6 route.

Napton and Groton are 11 hours 12 mins far apart, if you drive non-stop .

This is the fastest route from Napton, MO to Groton, SD.

Napton, MO and Groton, SD are in the same time zone (CDT). Current time in both locations is 10:08 am.

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Lowest Price Rental Cars in Napton, MO

Planning on renting a car to go from Napton, MO to Groton, SD? Here there are some offers to rent a car in Napton, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Napton »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 25.47 gallons of gas to cover the route between Napton, MO and Groton, SD.

The estimated cost of gas to go from Napton to Groton is $83.07.

During the route, an average car will release 498.94 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 Napton, MO and Groton, SD

If you want to meet halfway between Napton, MO and Groton, SD or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 41.75986 and -96.045345, or 41º 45' 35.496" N, 96º 2' 43.242" W. This location is 317.06 miles away from Napton, MO and Groton, SD and it would take approximately 5 hours 36 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Little Sioux, IA, situated 318 miles from Napton, MO and 320 miles from Groton, SD. It would take 5 hours 54 mins to go from Napton to Little Sioux and 5 hours 26 mins to go from Groton to Little Sioux.