How far is Chesterfield, MO from Florissant, MO?
The driving distance from Chesterfield, MO to Florissant, MO is about 24.5 miles (39.5 km), with a travel time of about 00h 27m by car.
- The straight-line flight distance is about 16.3 miles (26.2 km).
- For a round trip, plan for roughly 00h 54m 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 27m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Chesterfield and Florissant.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chesterfield and Florissant.
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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
1507 ft · 37 sec · Baxter Road
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4
Take the ramp slight right toward I 64 East, US 40 East, US 61 South
924 ft · 22 sec
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5
Merge slight left onto Avenue of the Saints
6.8 mi · 9 min · Avenue of the Saints
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6
Take the exit slight right toward I 270: Chicago, Memphis
1829 ft · 39 sec
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7
Keep slight left to continue on I 270 North: Chicago
141 m · 10 sec
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8
Continue on I 270 North: Chicago
2714 ft · 54 sec
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9
Merge slight left
12.3 mi · 15 min
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10
Take the exit slight right toward US 67
1565 ft · 45 sec
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11
Turn left onto North Lindbergh Boulevard
1.8 mi · 3 min · North Lindbergh Boulevard
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12
Turn right onto West Washington Street
1 mi · 2 min · West Washington Street
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13
Turn left onto North New Florissant Road
26 m · 1 sec · North New Florissant Road
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14
Arrive at your destination
0 m · 1 sec · North New Florissant Road
Car Route Details
A richer read on the saved driving route between Chesterfield and Florissant.
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
12.3 mi · 00h 15m
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.
Chance Showers And Thunderstorms leaving Chesterfield and Showers And Thunderstorms Likely near Florissant.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chesterfield to Florissant?
The road trip is about 24.5 miles (39.5 km) and usually takes 00h 27m 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?
Maryland Heights is a useful midpoint, sitting about 11.9 miles from Chesterfield and 12.7 miles from Florissant.
How much longer is the road route than the straight-line distance?
The direct path is about 16.3 miles (26.2 km), while the road route adds roughly 8.2 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 7:36 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.28 one way or $6.56 round trip. Estimated CO2 is about 7.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Chesterfield and Showers And Thunderstorms Likely near Florissant.
Stop Ideas Near Maryland Heights
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 Maryland Heights.
Kirkwood
Gateway Transportation Center
Alton
Washington
Flight Path Map
This map shows the direct air route between Chesterfield and Florissant. Straight-line distance: 16.25 mi (26.15 km).
#1 Chesterfield
A city in St.
| Population | 47,570 |
| Coordinates | 38.6631100, -90.5770700 |
| Altitude | 144 |
| Country | United States |
#2 Florissant
The most populous city in St.
| Population | 50,795 |
| Coordinates | 38.7892200, -90.3226100 |
| Altitude | 175 |
| Country | United States |
End: North New Florissant Road (-90.32261, 38.78922)
Estimated Travel Time
Distance: 40 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 49m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $3.28 | $6.56 |
| Mid-grade | $4.25 | $3.70 | $7.40 |
| Premium | $4.65 | $4.05 | $8.10 |
| Diesel | $5.30 | $4.61 | $9.23 |
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 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.