How far is Florissant, MO from Dexter, MO?

The driving distance from Florissant, MO to Dexter, MO is about 183.7 miles (295.6 km), with a travel time of about 03h 29m by car.

  • The straight-line flight distance is about 139.2 miles (224 km).
  • For a round trip, plan for roughly 06h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
183.68 mi
03h 29m
Flight
139.16 mi
223.95 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Florissant.

Flight Distance

Direct air line
139.16 mi
Kilometers
223.95 km
Flight Time
00h 16m

Driving Distance

Road route
183.68 mi
Kilometers
295.61 km
Drive Time
03h 29m

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 03h 29m.

Arrival Snapshot
Arrive in Dexter
Sat, May 2, 9:46 AM CDT
Return by in Florissant
Sat, May 2, 1:15 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Florissant
2026-05-02T06:17
Arrive Dexter
Sat, May 2, 9:46 AM CDT
Route Timing
03h 29m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:29 AM to 11:29 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:02 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Florissant
9:00 PM CDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Perryville
MO

City in Missouri, United States

From Florissant
91.9 mi
01h 44m
To Dexter
91.8 mi
01h 44m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
62°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM CDT
Wind
3 to 9 mph N
Destination
64°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM CDT
Wind
5 to 9 mph N

Driving Route Map

The map below follows the saved road route between Florissant and Dexter.

Turn-by-Turn Driving Directions

Step-by-step road directions between Florissant and Dexter.

  1. 1

    Start on North New Florissant Road

    26 m · 6 sec · North New Florissant Road

  2. 2

    Turn right onto Washington Street

    1 mi · 2 min · Washington Street

  3. 3

    Turn left onto Lindbergh Boulevard

    1.7 mi · 3 min · Lindbergh Boulevard

  4. 4

    Take the ramp slight right

    1912 ft · 47 sec

  5. 5

    Merge slight left onto Rosemary Straub Davison Highway

    24.3 mi · 30 min · Rosemary Straub Davison Highway

  6. 6

    Take the exit slight right toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road

    1911 ft · 27 sec

  7. 7

    Keep slight right to continue on I 55 South: Memphis

    2031 ft · 44 sec

  8. 8

    Merge slight left onto Rosa Parks Highway

    1.5 mi · 2 min · Rosa Parks Highway

  9. 9

    Continue on Officer Thomas G. Smith, Jr. Memorial Highway

    1.8 mi · 2 min · Officer Thomas G. Smith, Jr. Memorial Highway

  10. 10

    Continue on Police Officer Steven Jarvis Memorial Highway

    126.7 mi · 2 hr 16 min · Police Officer Steven Jarvis Memorial Highway

  11. 11

    Take the exit slight right toward US 60 West: Dexter, Poplar Bluff

    2865 ft · 1 min

  12. 12

    Merge slight left

    22.6 mi · 26 min

  13. 13

    Take the exit slight right toward MO 25, US 60 Business: Dexter, Bloomfield

    1579 ft · 41 sec

  14. 14

    Turn left

    1.4 mi · 2 min

  15. 15

    Turn right

    2184 ft · 49 sec

  16. 16

    Turn left onto North Walnut Street

    1341 ft · 37 sec · North Walnut Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · North Walnut Street

Car Route Details

A richer read on the saved driving route between Florissant and Dexter.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
17 steps
5 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
9.3 / 100 mi
Decision points by distance
Main Roads
Police Officer Steven Jarvis Memorial Highway
127 mi · 69%
Rosemary Straub Davison Highway
24.3 mi · 13%
US 60 West
23.1 mi · 13%
Lindbergh Boulevard
2.07 mi · 1%
Rosa Parks Highway
1.51 mi · 1%
Washington Street
1.03 mi · 1%
Longest Stretch

Police Officer Steven Jarvis Memorial Highway

Continue on Police Officer Steven Jarvis Memorial Highway

127 mi · 02h 16m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 29m
Long day trip
Same-Day Return
06h 58m
Round-trip wheel time
Road vs Air
+44.5 mi
139.2 mi direct line
Halfway Stop
Perryville
01h 44m from Florissant
Leave By
10:02 AM CDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Florissant and Mostly Sunny near Dexter.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Florissant to Dexter?

The road trip is about 183.7 miles (295.6 km) and usually takes 03h 29m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Perryville is a useful midpoint, sitting about 91.9 miles from Florissant and 91.8 miles from Dexter.

How much longer is the road route than the straight-line distance?

The direct path is about 139.2 miles (224 km), while the road route adds roughly 44.5 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:02 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $24.44 one way or $48.87 round trip. Estimated CO2 is about 57.6 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Florissant and Mostly Sunny near Dexter.

Stop Ideas Near Perryville

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Perryville, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Perryville.

RAIL

Carbondale station

57 mi away
401 South Illinois St.
RAIL

Du Quoin

63 mi away
20 North Chestnut St.
BUS

Marion, IL

80 mi away
2100 West Main Street
BUS

Vienna, IL

92 mi away
504 West Vine Street

Flight Path Map

This map shows the direct air route between Florissant and Dexter. Straight-line distance: 139.16 mi (223.95 km).

Florissant

#1 Florissant

The most populous city in St.

Population50,795
Coordinates38.7892200, -90.3226100
Altitude175
CountryUnited States
Dexter

#2 Dexter

City in Stoddard County, Missouri, United States

Population7,839
Coordinates36.7958900, -89.9578700
Altitude113
CountryUnited States
Start: Florissant (-90.32261, 38.78922)
End: Dexter (-89.95787, 36.79589)

Estimated Travel Time

Distance: 296 km by road

SpeedTime
30 mph (48.3 km/h)06h 07m
40 mph (64.37 km/h)04h 35m
50 mph (80.47 km/h)03h 40m
60 mph (96.56 km/h)03h 03m
70 mph (112.65 km/h)02h 37m
80 mph (129 km/h)02h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.48 gal
24.54 L · about $24.44
Round trip
$48.87
12.96 gal · 49.08 L
Estimated CO2
57.6 kg one way
Round trip: 115.2 kg / 254 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $24.44 $48.87
Mid-grade $4.25 $27.56 $55.12
Premium $4.65 $30.16 $60.32
Diesel $5.30 $34.37 $68.74

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 02, 2026

There is no time difference between Florissant and Dexter. The current time is 06:17:19.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.