How far is Washington, MO from Florissant, MO?
The driving distance from Washington, MO to Florissant, MO is about 59.7 miles (96 km), with a travel time of about 01h 04m by car.
- The straight-line flight distance is about 40.5 miles (65.1 km).
- For a round trip, plan for roughly 02h 08m 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 01h 04m.
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 then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Washington and Florissant.
Turn-by-Turn Driving Directions
Step-by-step road directions between Washington and Florissant.
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1
Start on West 3rd Street
2729 ft · 2 min · West 3rd Street
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2
Turn left onto Boone Street
115 m · 15 sec · Boone Street
-
3
Turn right onto East 1st Street
833 ft · 34 sec · East 1st Street
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4
Turn left onto Franklin Avenue
3.3 mi · 5 min · Franklin Avenue
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5
Turn right
1.2 km · 2 min
-
6
Continue straight
3.5 mi · 6 min
-
7
At the end of the road, turn left
3.1 mi · 4 min
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8
Continue straight
15.3 mi · 22 min
-
9
Turn left
4.8 mi · 7 min
-
10
Keep slight left to continue on MO 94 East, MO 364 East
4.7 mi · 6 min
-
11
Take the exit slight right toward MO 94 East: Saint Charles
2.8 mi · 4 min
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12
Take the exit slight right toward I 70 East
1355 ft · 19 sec
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13
Merge slight left
3.7 mi · 5 min
-
14
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
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15
Keep slight left to continue on I 270 North: Chicago
2556 ft · 36 sec
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16
Continue on I 270 North: Chicago
1270 ft · 18 sec
-
17
Keep slight left to continue on I 270 North: Chicago
988 ft · 14 sec
-
18
Merge slight left
4.2 mi · 5 min
-
19
Take the exit slight right toward US 67
1565 ft · 45 sec
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20
Turn left onto North Lindbergh Boulevard
1.8 mi · 3 min · North Lindbergh Boulevard
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21
Turn right onto West Washington Street
1 mi · 2 min · West Washington Street
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22
Turn left onto North New Florissant Road
26 m · 1 sec · North New Florissant Road
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23
Arrive at your destination
0 m · 1 sec · North New Florissant Road
Car Route Details
A richer read on the saved driving route between Washington 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.
Franklin Avenue
Continue straight
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 Washington and Partly Sunny then Chance Showers And Thunderstorms near Florissant.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Washington to Florissant?
The road trip is about 59.7 miles (96 km) and usually takes 01h 04m 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?
Weldon Spring is a useful midpoint, sitting about 25.7 miles from Washington and 33.9 miles from Florissant.
How much longer is the road route than the straight-line distance?
The direct path is about 40.5 miles (65.1 km), while the road route adds roughly 19.2 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 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:22 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.96 one way or $15.91 round trip. Estimated CO2 is about 18.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Washington and Partly Sunny then Chance Showers And Thunderstorms near Florissant.
Stop Ideas Near Weldon Spring
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
City of O'Fallon
Swingley Ridge @ Chesterfield City Hall SB
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Weldon Spring.
Kirkwood
Washington
Gateway Transportation Center
Alton
Flight Path Map
This map shows the direct air route between Washington and Florissant. Straight-line distance: 40.48 mi (65.14 km).
#1 Washington
City in Franklin County, Missouri
| Population | 14,243 |
| Coordinates | 38.5581100, -91.0120900 |
| Altitude | 168 |
| 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: 96 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 59m |
| 40 mph (64.37 km/h) | 01h 29m |
| 50 mph (80.47 km/h) | 01h 11m |
| 60 mph (96.56 km/h) | 00h 59m |
| 70 mph (112.65 km/h) | 00h 51m |
| 80 mph (129 km/h) | 00h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $7.96 | $15.91 |
| Mid-grade | $4.25 | $8.97 | $17.95 |
| Premium | $4.65 | $9.82 | $19.64 |
| Diesel | $5.30 | $11.19 | $22.38 |
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.