How far is Barnhart, MO from Saint Charles, MO?
The driving distance from Barnhart, MO to Saint Charles, MO is about 37.9 miles (61 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 30.8 miles (49.5 km).
- For a round trip, plan for roughly 01h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 00h 41m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Saint Louis County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Barnhart and Saint Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Barnhart and Saint Charles.
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1
Start on East Street
96 m · 16 sec · East Street
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2
Turn right onto Willing Street
40 m · 11 sec · Willing Street
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3
Turn left onto East Street
792 ft · 37 sec · East Street
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4
Turn left
1096 ft · 31 sec
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5
Turn left
2994 ft · 1 min
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6
Take the ramp slight right toward I 55 North: Saint Louis
1455 ft · 18 sec
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7
Merge slight left
9.6 mi · 11 min
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8
Continue on Rosa Parks Highway
1.3 mi · 2 min · Rosa Parks Highway
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9
Take the exit slight right toward I 270 West, I 255 East: Kansas City, Chicago
1279 ft · 27 sec
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10
Keep slight left to continue on I 270 West: Kansas City
118 m · 8 sec
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11
Continue on I 270 West
1.2 km · 1 min
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12
Merge slight left
18.1 mi · 23 min
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13
Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
1 mi · 1 min
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14
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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15
Continue on I 70 West: Kansas City
1 km · 57 sec
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16
Merge slight left
2.7 mi · 3 min
-
17
Take the exit slight right toward I 70 Business: Fifth Street
841 ft · 18 sec
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18
Keep slight right to continue on I 70 Business: Fifth Street North, Bass Pro Drive, Ameristar Boulevard
71 m · 5 sec
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19
Turn slight right onto South Fifth Street
1.6 km · 2 min · South Fifth Street
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20
Turn right onto Jefferson Street
1093 ft · 44 sec · Jefferson Street
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21
Turn left onto North Second Street
949 ft · 34 sec · North Second Street
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22
Arrive at your destination
0 m · 1 sec · North Second Street
Car Route Details
A richer read on the saved driving route between Barnhart and Saint Charles.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 270 West
Merge slight left
18.1 mi · 00h 23m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Barnhart and Mostly Sunny near Saint Charles.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Barnhart to Saint Charles?
The road trip is about 37.9 miles (61 km) and usually takes 00h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Sunset Hills is a useful midpoint, sitting about 18.8 miles from Barnhart and 19.1 miles from Saint Charles.
How much longer is the road route than the straight-line distance?
The direct path is about 30.8 miles (49.5 km), while the road route adds roughly 7.1 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:08 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.05 one way or $10.11 round trip. Estimated CO2 is about 11.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Barnhart and Mostly Sunny near Saint Charles.
Stop Ideas Near Sunset Hills
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Sunset Hills.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Barnhart and Saint Charles. Straight-line distance: 30.75 mi (49.49 km).
#1 Barnhart
Census designated place
| Population | 5,682 |
| Coordinates | 38.3442200, -90.3934500 |
| Altitude | 132 |
| Country | United States |
#2 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
End: North Second Street (-90.481269, 38.783952)
Estimated Travel Time
Distance: 61 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 15m |
| 40 mph (64.37 km/h) | 00h 56m |
| 50 mph (80.47 km/h) | 00h 45m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.05 | $10.11 |
| Mid-grade | $4.25 | $5.70 | $11.40 |
| Premium | $4.65 | $6.24 | $12.47 |
| Diesel | $5.30 | $7.11 | $14.21 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Missouri · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.