How far is Brentwood, MO from Saint Charles, MO?
The driving distance from Brentwood, MO to Saint Charles, MO is about 19.3 miles (31 km), with a travel time of about 00h 24m by car.
- The straight-line flight distance is about 13.5 miles (21.8 km).
- For a round trip, plan for roughly 00h 49m 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 24m.
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 St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Brentwood and Saint Charles.
Turn-by-Turn Driving Directions
Step-by-step road directions between Brentwood and Saint Charles.
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1
Start on the route
21 m · 7 sec
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2
Turn right
18 m · 6 sec
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3
Turn right onto Litzsinger Road
91 m · 12 sec · Litzsinger Road
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4
Turn left onto South Brentwood Boulevard
1.4 km · 2 min · South Brentwood Boulevard
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5
Take the ramp left toward I 64 West, US 40 West
1574 ft · 26 sec
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6
Merge slight left onto Daniel Boone Expressway
3.4 mi · 4 min · Daniel Boone Expressway
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7
Continue on Avenue of the Saints
1.8 mi · 2 min · Avenue of the Saints
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8
Take the exit slight right toward I 270: Memphis, Chicago
781 ft · 17 sec
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9
Keep slight right to continue on I 270 North: Chicago
1373 ft · 26 sec
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10
Merge slight left
6.1 mi · 8 min
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11
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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12
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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13
Continue on I 70 West: Kansas City
1 km · 57 sec
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14
Merge slight left
2.7 mi · 3 min
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15
Take the exit slight right toward I 70 Business: Fifth Street
841 ft · 18 sec
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16
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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17
Turn slight right onto South Fifth Street
1.6 km · 2 min · South Fifth Street
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18
Turn right onto Jefferson Street
1093 ft · 44 sec · Jefferson Street
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19
Turn left onto North Second Street
949 ft · 34 sec · North Second Street
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20
Arrive at your destination
0 m · 1 sec · North Second Street
Car Route Details
A richer read on the saved driving route between Brentwood and Saint Charles.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 270 North
Merge slight left
6.08 mi · 00h 08m
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.
Showers And Thunderstorms Likely leaving Brentwood and Showers And Thunderstorms near Saint Charles.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Brentwood to Saint Charles?
The road trip is about 19.3 miles (31 km) and usually takes 00h 24m 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?
Creve Coeur is a useful midpoint, sitting about 9.5 miles from Brentwood and 9.7 miles from Saint Charles.
How much longer is the road route than the straight-line distance?
The direct path is about 13.5 miles (21.8 km), while the road route adds roughly 5.8 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 7:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.56 one way or $5.13 round trip. Estimated CO2 is about 6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Brentwood and Showers And Thunderstorms near Saint Charles.
Stop Ideas Near Creve Coeur
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 Creve Coeur.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Brentwood and Saint Charles. Straight-line distance: 13.52 mi (21.76 km).
#1 Brentwood
Inner-ring suburb of St.
| Population | 7,953 |
| Coordinates | 38.6175500, -90.3492800 |
| Altitude | 146 |
| 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: 31 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 38m |
| 40 mph (64.37 km/h) | 00h 28m |
| 50 mph (80.47 km/h) | 00h 23m |
| 60 mph (96.56 km/h) | 00h 19m |
| 70 mph (112.65 km/h) | 00h 16m |
| 80 mph (129 km/h) | 00h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.56 | $5.13 |
| Mid-grade | $4.25 | $2.89 | $5.78 |
| Premium | $4.65 | $3.16 | $6.33 |
| Diesel | $5.30 | $3.61 | $7.21 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.