Distance between cities › USA › Missouri › Weldon Spring, MO › Distance from Weldon Spring to Ballwin Book Hotels

Distance from Weldon Spring, MO to Ballwin, MO

Distance

15 mi

Time

24 minutes

Gas Cost

$1 - $3

There are 11.24 miles from Weldon Spring to Ballwin in southeast direction and 15 miles (24.14 kilometers) by car, following the I-64 and US-40 and US-61 route.

Weldon Spring and Ballwin are 24 minutes far apart, if you drive non-stop .

This is the fastest route from Weldon Spring, MO to Ballwin, MO. The halfway point is Chesterfield, MO.

Weldon Spring, MO and Ballwin, MO are in the same time zone (CDT). Current time in both locations is 5:28 pm.

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Lowest Price Rental Cars in Weldon Spring, MO

Planning on renting a car to go from Weldon Spring, MO to Ballwin, MO? Here there are some offers to rent a car in Weldon Spring, MO

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Weldon Spring »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 0.60 gallons of gas to cover the route between Weldon Spring, MO and Ballwin, MO.

The estimated cost of gas to go from Weldon Spring to Ballwin is $1.81.

During the route, an average car will release 11.71 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 $3.03 per gallon of regular gas. Price last updated on March 11, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Weldon Spring, MO and Ballwin, MO

If you want to meet halfway between Weldon Spring, MO and Ballwin, MO or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 38.670296 and -90.595093, or 38º 40' 13.0656" N, 90º 35' 42.3348" W. This location is 7.44 miles away from Weldon Spring, MO and Ballwin, MO and it would take approximately 12 minutes to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest city to the halfway point is Chesterfield, MO, situated 9 miles from Weldon Spring, MO and 6 miles from Ballwin, MO. It would take 11 minutes to go from Weldon Spring to Chesterfield and 12 minutes to go from Ballwin to Chesterfield.