How far is Saint Charles, MO from Barnhart, MO?
The driving distance from Saint Charles, MO to Barnhart, MO is about 37.3 miles (60.1 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 30.8 miles (49.5 km).
- For a round trip, plan for roughly 01h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 49m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Chance Rain Showers
Chance Rain Showers then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Saint Charles and Barnhart.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Charles and Barnhart.
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1
Start on North Second Street
949 ft · 38 sec · North Second Street
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2
Turn right onto Jefferson Street
1093 ft · 45 sec · Jefferson Street
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3
Turn left onto South Fifth Street
1.1 mi · 3 min · South Fifth Street
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4
Take the ramp slight left toward I 70 East
1019 ft · 14 sec
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5
Merge slight left
2.7 mi · 3 min
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6
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
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7
Keep slight right to continue on I 270 South: Memphis
2339 ft · 33 sec
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8
Continue on I 270 South: Memphis
723 ft · 10 sec
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9
Merge slight left
19 mi · 24 min
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10
Take the exit slight right toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road
1911 ft · 27 sec
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11
Keep slight right to continue on I 55 South: Memphis
2031 ft · 44 sec
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12
Merge slight left onto Rosa Parks Highway
1.5 mi · 2 min · Rosa Parks Highway
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13
Continue on Officer Thomas G. Smith, Jr. Memorial Highway
1.8 mi · 2 min · Officer Thomas G. Smith, Jr. Memorial Highway
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14
Continue on Police Officer Steven Jarvis Memorial Highway
7.7 mi · 8 min · Police Officer Steven Jarvis Memorial Highway
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15
Take the exit slight right toward MO M: Barnhart, Antonia
1899 ft · 50 sec
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16
Turn left
1.1 km · 1 min
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17
Turn right
1144 ft · 25 sec
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18
Continue on East Street
792 ft · 37 sec · East Street
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19
Turn right onto Willing Street
40 m · 11 sec · Willing Street
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20
Turn left onto East Street
96 m · 14 sec · East Street
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21
Arrive at your destination
0 m · 1 sec · East Street
Car Route Details
A richer read on the saved driving route between Saint Charles and Barnhart.
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 South
Merge slight left
19 mi · 00h 24m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Chance Rain Showers leaving Saint Charles and Chance Rain Showers then Chance Showers And Thunderstorms near Barnhart.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Charles to Barnhart?
The road trip is about 37.3 miles (60.1 km) and usually takes 00h 49m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Sunset Hills is a useful midpoint, sitting about 18.7 miles from Saint Charles and 18.6 miles from Barnhart.
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 6.5 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:50 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.98 one way or $9.96 round trip. Estimated CO2 is about 11.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Saint Charles and Chance Rain Showers then Chance Showers And Thunderstorms near Barnhart.
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 Saint Charles and Barnhart. Straight-line distance: 30.75 mi (49.49 km).
#1 Saint Charles
A city in St.
| Population | 71,761 |
| Coordinates | 38.7839400, -90.4812300 |
| Altitude | 147 |
| Country | United States |
#2 Barnhart
Census designated place
| Population | 5,682 |
| Coordinates | 38.3442200, -90.3934500 |
| Altitude | 132 |
| Country | United States |
End: Barnhart (-90.39345, 38.34422)
Estimated Travel Time
Distance: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 56m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.98 | $9.96 |
| Mid-grade | $4.25 | $5.61 | $11.23 |
| Premium | $4.65 | $6.14 | $12.29 |
| Diesel | $5.30 | $7.00 | $14.00 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.