How far is De Soto, MO from Florissant, MO?
The driving distance from De Soto, MO to Florissant, MO is about 59.3 miles (95.4 km), with a travel time of about 01h 05m by car.
- The straight-line flight distance is about 46.6 miles (75 km).
- For a round trip, plan for roughly 02h 10m 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 05m.
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.
Suburb city of St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Scattered Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between De Soto and Florissant.
Turn-by-Turn Driving Directions
Step-by-step road directions between De Soto and Florissant.
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1
Start on Easton Street
133 m · 24 sec · Easton Street
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2
At the end of the road, turn left onto North Main Street
1.4 mi · 2 min · North Main Street
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3
At the end of the road, turn left
1.5 mi · 2 min
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4
At the end of the road, turn right
124 m · 6 sec
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5
Continue straight
3.8 mi · 5 min
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6
Turn left
1894 ft · 36 sec
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7
Continue on MO 21 North: Saint Louis
19.7 mi · 23 min
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8
Take the exit slight right toward MO 141: Arnold, Fenton
1384 ft · 24 sec
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9
Turn left
4 mi · 6 min
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10
Take the exit right toward MO 30 East: Saint Louis
1229 ft · 17 sec
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11
Merge slight left
2.5 mi · 4 min
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12
Take the exit left toward I 270 North
2202 ft · 35 sec
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13
Merge slight left
21 mi · 26 min
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14
Take the exit slight right toward US 67
1565 ft · 45 sec
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15
Turn left onto North Lindbergh Boulevard
1.8 mi · 3 min · North Lindbergh Boulevard
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16
Turn right onto West Washington Street
1 mi · 2 min · West Washington Street
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17
Turn left onto North New Florissant Road
26 m · 1 sec · North New Florissant Road
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18
Arrive at your destination
0 m · 1 sec · North New Florissant Road
Car Route Details
A richer read on the saved driving route between De Soto 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
21 mi · 00h 26m
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 Showers And Thunderstorms leaving De Soto and Scattered 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 De Soto to Florissant?
The road trip is about 59.3 miles (95.4 km) and usually takes 01h 05m 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?
Fenton is a useful midpoint, sitting about 29.2 miles from De Soto and 30.1 miles from Florissant.
How much longer is the road route than the straight-line distance?
The direct path is about 46.6 miles (75 km), while the road route adds roughly 12.7 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 4:20 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.88 one way or $15.76 round trip. Estimated CO2 is about 18.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around De Soto and Scattered Showers And Thunderstorms near Florissant.
Stop Ideas Near Fenton
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 Fenton.
Kirkwood
Gateway Transportation Center
Washington
Alton
Flight Path Map
This map shows the direct air route between De Soto and Florissant. Straight-line distance: 46.62 mi (75.03 km).
#1 De Soto
City in Jefferson County, Missouri
| Population | 6,340 |
| Coordinates | 38.1395000, -90.5551300 |
| Altitude | 160 |
| 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: 95 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 58m |
| 40 mph (64.37 km/h) | 01h 28m |
| 50 mph (80.47 km/h) | 01h 11m |
| 60 mph (96.56 km/h) | 00h 59m |
| 70 mph (112.65 km/h) | 00h 50m |
| 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 | $7.88 | $15.76 |
| Mid-grade | $4.25 | $8.89 | $17.78 |
| Premium | $4.65 | $9.73 | $19.45 |
| Diesel | $5.30 | $11.09 | $22.17 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.