How far is Florissant, MO from Saint Robert, MO?
The driving distance from Florissant, MO to Saint Robert, MO is about 137.1 miles (220.7 km), with a travel time of about 02h 39m by car.
- The straight-line flight distance is about 120.5 miles (194 km).
- For a round trip, plan for roughly 05h 18m 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 02h 39m.
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.
Human settlement in Franklin County, Missouri, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Florissant and Saint Robert.
Turn-by-Turn Driving Directions
Step-by-step road directions between Florissant and Saint Robert.
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1
Start on North New Florissant Road
26 m · 6 sec · North New Florissant Road
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2
Turn right onto Washington Street
1 mi · 2 min · Washington Street
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3
Turn left onto Lindbergh Boulevard
1.7 mi · 3 min · Lindbergh Boulevard
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4
Take the ramp slight right
1912 ft · 47 sec
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5
Merge slight left onto Rosemary Straub Davison Highway
16.1 mi · 20 min · Rosemary Straub Davison Highway
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6
Take the exit slight right toward Dougherty Ferry Road
1331 ft · 28 sec
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7
Turn right onto Dougherty Ferry Road
2.5 mi · 5 min · Dougherty Ferry Road
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8
Continue on Forest Avenue
1.6 km · 2 min · Forest Avenue
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9
Turn left
1.2 km · 1 min
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10
Take the exit slight right
32 m · 3 sec
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11
Turn right onto North Highway Drive
748 ft · 14 sec · North Highway Drive
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12
Take the ramp straight toward I 44 West, US 50 West: Rolla
936 ft · 13 sec
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13
Merge slight left onto Henry Shaw Ozark Corridor
112.3 mi · 2 hr 2 min · Henry Shaw Ozark Corridor
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14
Take the exit slight right toward I 44 Business: Waynesville
1099 ft · 23 sec
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15
Turn straight
2769 ft · 57 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Florissant and Saint Robert.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Henry Shaw Ozark Corridor
Merge slight left onto Henry Shaw Ozark Corridor
112 mi · 02h 02m
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 Florissant and Showers And Thunderstorms near Saint Robert.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Florissant to Saint Robert?
The road trip is about 137.1 miles (220.7 km) and usually takes 02h 39m 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?
Oak Grove Village is a useful midpoint, sitting about 68.5 miles from Florissant and 68.6 miles from Saint Robert.
How much longer is the road route than the straight-line distance?
The direct path is about 120.5 miles (194 km), while the road route adds roughly 16.6 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 1:12 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.25 one way or $36.50 round trip. Estimated CO2 is about 43 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Florissant and Showers And Thunderstorms near Saint Robert.
Stop Ideas Near Oak Grove Village
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 Oak Grove Village.
Washington
Hermann
Kirkwood
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between Florissant and Saint Robert. Straight-line distance: 120.51 mi (193.95 km).
#1 Florissant
The most populous city in St.
| Population | 50,795 |
| Coordinates | 38.7892200, -90.3226100 |
| Altitude | 175 |
| Country | United States |
#2 Saint Robert
City in Pulaski County, Missouri, United States
| Population | 6,358 |
| Coordinates | 37.8281000, -92.1776700 |
| Altitude | 317 |
| Country | United States |
End: Saint Robert (-92.17767, 37.8281)
Estimated Travel Time
Distance: 221 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 34m |
| 40 mph (64.37 km/h) | 03h 25m |
| 50 mph (80.47 km/h) | 02h 44m |
| 60 mph (96.56 km/h) | 02h 17m |
| 70 mph (112.65 km/h) | 01h 57m |
| 80 mph (129 km/h) | 01h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $18.25 | $36.50 |
| Mid-grade | $4.25 | $20.58 | $41.17 |
| Premium | $4.65 | $22.53 | $45.05 |
| Diesel | $5.30 | $25.67 | $51.34 |
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 · Apr 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.