How far is Chesterfield, MO from Washington, MO?
The driving distance from Chesterfield, MO to Washington, MO is about 36.4 miles (58.5 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 24.6 miles (39.6 km).
- For a round trip, plan for roughly 01h 49m 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 54m.
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 Charles County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Chesterfield and Washington.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chesterfield and Washington.
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1
Start on Santa Maria Drive
33 m · 8 sec · Santa Maria Drive
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2
Turn left onto Old Chesterfield Road
751 ft · 33 sec · Old Chesterfield Road
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3
Turn right onto Baxter Road
1596 ft · 46 sec · Baxter Road
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4
At the end of the road, turn left onto Chesterfield Airport Road
1.1 mi · 2 min · Chesterfield Airport Road
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5
Continue on Chesterfield Airport Road
134 m · 8 sec · Chesterfield Airport Road
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6
Turn right onto Boone's Crossing
1015 ft · 27 sec · Boone's Crossing
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7
Take the ramp slight left toward I 64 West, US 40 West, US 61 North
51 m · 7 sec
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8
Turn left onto I 64 West, US 40 West, US 61 North
1219 ft · 17 sec
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9
Merge slight left onto Avenue of the Saints
5.9 mi · 7 min · Avenue of the Saints
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10
Take the exit slight right toward MO 94: Defiance, Saint Charles
1013 ft · 16 sec
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11
Keep slight left to continue on MO 94: Defiance, Saint Charles
80 m · 8 sec
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12
Turn left
1.3 mi · 2 min
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13
Turn right
15.3 mi · 22 min
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14
At the end of the road, turn left
3.1 mi · 4 min
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15
Continue straight
3.6 mi · 6 min
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16
Continue straight
1.1 km · 2 min
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17
At the end of the road, turn left
3.4 mi · 5 min
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18
Turn right onto East 3rd Street
1.1 km · 2 min · East 3rd Street
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19
Arrive at your destination
0 m · 1 sec · West 3rd Street
Car Route Details
A richer read on the saved driving route between Chesterfield and Washington.
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.
Longest stretch
Turn right
15.3 mi · 00h 22m
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.
Partly Sunny leaving Chesterfield and Partly Sunny near Washington.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chesterfield to Washington?
The road trip is about 36.4 miles (58.5 km) and usually takes 00h 54m 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?
New Melle is a useful midpoint, sitting about 18.1 miles from Chesterfield and 18.2 miles from Washington.
How much longer is the road route than the straight-line distance?
The direct path is about 24.6 miles (39.6 km), while the road route adds roughly 11.8 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:40 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.83 one way or $9.65 round trip. Estimated CO2 is about 11.4 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Chesterfield and Partly Sunny near Washington.
Stop Ideas Near New Melle
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
City of O'Fallon
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to New Melle.
Washington
Kirkwood
Hermann
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between Chesterfield and Washington. Straight-line distance: 24.58 mi (39.56 km).
#1 Chesterfield
A city in St.
| Population | 47,570 |
| Coordinates | 38.6631100, -90.5770700 |
| Altitude | 144 |
| Country | United States |
#2 Washington
City in Franklin County, Missouri
| Population | 14,243 |
| Coordinates | 38.5581100, -91.0120900 |
| Altitude | 168 |
| Country | United States |
End: Washington (-91.01209, 38.55811)
Estimated Travel Time
Distance: 59 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 12m |
| 40 mph (64.37 km/h) | 00h 54m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 36m |
| 70 mph (112.65 km/h) | 00h 31m |
| 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 | $4.83 | $9.65 |
| Mid-grade | $4.25 | $5.44 | $10.89 |
| Premium | $4.65 | $5.96 | $11.91 |
| Diesel | $5.30 | $6.79 | $13.58 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.