How far is Oak Grove, MO from Florissant, MO?
The driving distance from Oak Grove, MO to Florissant, MO is about 214.7 miles (345.6 km), with a travel time of about 03h 13m by car.
- The straight-line flight distance is about 205.2 miles (330.3 km).
- For a round trip, plan for roughly 06h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 03h 13m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
The most populous city in the state of Missouri.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Oak Grove and Florissant.
Turn-by-Turn Driving Directions
Step-by-step road directions between Oak Grove and Florissant.
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1
Start on South Broadway Street
1.1 km · 2 min · South Broadway Street
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2
Take the ramp slight right toward I 70 East, US 40 East: Columbia
1426 ft · 35 sec
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3
Merge slight left onto Dwight D. Eisenhower Highway
41 mi · 44 min · Dwight D. Eisenhower Highway
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4
Continue on U.S. Submarine Veterans' Memorial Highway
32 mi · 34 min · U.S. Submarine Veterans' Memorial Highway
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5
Keep slight left to continue on U.S. Submarine Veterans' Memorial Highway
22.4 mi · 24 min · U.S. Submarine Veterans' Memorial Highway
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6
Continue on Dwight D. Eisenhower Highway
1.8 mi · 2 min · Dwight D. Eisenhower Highway
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7
Continue on Highway Patrol Sgt. Benjamin Booth Memorial Highway
1.6 mi · 2 min · Highway Patrol Sgt. Benjamin Booth Memorial Highway
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8
Continue on Sheriff Roger I. Wilson Memorial Highway
1.9 mi · 2 min · Sheriff Roger I. Wilson Memorial Highway
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9
Continue on Dwight D. Eisenhower Highway
103.1 mi · 2 hr 3 min · Dwight D. Eisenhower Highway
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10
Take the exit slight right toward I 270: Chicago, Memphis
872 ft · 12 sec
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11
Keep slight left to continue on I 270 North: Chicago
2556 ft · 36 sec
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12
Continue on I 270 North: Chicago
1270 ft · 18 sec
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13
Keep slight left to continue on I 270 North: Chicago
988 ft · 14 sec
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14
Merge slight left
4.2 mi · 5 min
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15
Take the exit slight right toward US 67
1565 ft · 45 sec
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16
Turn left onto North Lindbergh Boulevard
1.8 mi · 3 min · North Lindbergh Boulevard
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17
Turn right onto West Washington Street
1 mi · 2 min · West Washington Street
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18
Turn left onto North New Florissant Road
26 m · 1 sec · North New Florissant Road
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19
Arrive at your destination
0 m · 1 sec · North New Florissant Road
Car Route Details
A richer read on the saved driving route between Oak Grove and Florissant.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Dwight D. Eisenhower Highway
Continue on Dwight D. Eisenhower Highway
103 mi · 02h 03m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Oak Grove and Sunny near Florissant.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Oak Grove to Florissant?
The road trip is about 214.7 miles (345.6 km) and usually takes 03h 13m 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?
Columbia is a useful midpoint, sitting about 106.4 miles from Oak Grove and 108.3 miles from Florissant.
How much longer is the road route than the straight-line distance?
The direct path is about 205.2 miles (330.3 km), while the road route adds roughly 9.5 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 10:34 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.58 one way or $57.17 round trip. Estimated CO2 is about 67.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Oak Grove and Sunny near Florissant.
Stop Ideas Near Columbia
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 Columbia.
Jefferson City
Sedalia
Hermann
Flight Path Map
This map shows the direct air route between Oak Grove and Florissant. Straight-line distance: 205.23 mi (330.29 km).
#1 Oak Grove
City in Jackson County, Missouri, United States
| Population | 8,437 |
| Coordinates | 39.0050100, -94.1293900 |
| Altitude | 268 |
| 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: 346 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 09m |
| 40 mph (64.37 km/h) | 05h 22m |
| 50 mph (80.47 km/h) | 04h 17m |
| 60 mph (96.56 km/h) | 03h 34m |
| 70 mph (112.65 km/h) | 03h 04m |
| 80 mph (129 km/h) | 02h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.58 | $57.17 |
| Mid-grade | $4.25 | $32.24 | $64.48 |
| Premium | $4.65 | $35.28 | $70.55 |
| Diesel | $5.30 | $40.20 | $80.41 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.