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

Distance from Napton, MO to Saint Clair, MO

Distance

154 mi

Time

3 hours 20 mins

Gas Cost

$14 - $26

There are 123.29 miles from Napton to Saint Clair in southeast direction and 154 miles (247.84 kilometers) by car, following the I-70 and US-40 route.

Napton and Saint Clair are 3 hours 20 mins far apart, if you drive non-stop .

This is the fastest route from Napton, MO to Saint Clair, MO.

Napton, MO and Saint Clair, MO are in the same time zone (CDT). Current time in both locations is 5:05 am.

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Lowest Price Rental Cars in Napton, MO

Planning on renting a car to go from Napton, MO to Saint Clair, MO? 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 6.19 gallons of gas to cover the route between Napton, MO and Saint Clair, MO.

The estimated cost of gas to go from Napton to Saint Clair is $19.11.

During the route, an average car will release 121.24 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 $3.09 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Napton, MO and Saint Clair, MO

If you want to meet halfway between Napton, MO and Saint Clair, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.938926 and -91.863613, or 38º 56' 20.1336" N, 91º 51' 49.0068" W. This location is 77.04 miles away from Napton, MO and Saint Clair, MO and it would take approximately 1 hour 40 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Kingdom City, MO, situated 72 miles from Napton, MO and 85 miles from Saint Clair, MO. It would take 1 hour 36 mins to go from Napton to Kingdom City and 1 hour 48 mins to go from Saint Clair to Kingdom City.