How far is Poplar Bluff, MO from O'Fallon, MO?
The driving distance from Poplar Bluff, MO to O'Fallon, MO is about 175.9 miles (283.1 km), with a travel time of about 02h 53m by car.
- The straight-line flight distance is about 142.9 miles (229.9 km).
- For a round trip, plan for roughly 05h 47m 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 53m.
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 Francois County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Poplar Bluff and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between Poplar Bluff and O'Fallon.
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1
Start on West Pine Street
1.3 km · 1 min · West Pine Street
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2
Turn right onto North Westwood Boulevard
1.3 mi · 2 min · North Westwood Boulevard
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3
Continue on State Street
1396 ft · 26 sec · State Street
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4
Continue on North Westwood Boulevard
1.6 mi · 2 min · North Westwood Boulevard
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5
Continue straight
2283 ft · 38 sec
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6
Continue straight
112.6 mi · 2 hr 9 min
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7
Keep slight right
1750 ft · 27 sec
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8
Take the exit straight toward I 55 North: Saint Louis
1735 ft · 49 sec
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9
Merge slight left
20.5 mi · 22 min
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10
Continue on Rosa Parks Highway
1.3 mi · 2 min · Rosa Parks Highway
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11
Take the exit slight right toward I 270 West, I 255 East: Kansas City, Chicago
1279 ft · 27 sec
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12
Keep slight left to continue on I 270 West: Kansas City
118 m · 8 sec
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13
Continue on I 270 West
1.2 km · 1 min
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14
Merge slight left
18.1 mi · 23 min
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15
Take the exit slight right toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
1 mi · 1 min
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16
Keep slight left to continue on I 70 West: Kansas City
645 ft · 11 sec
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17
Continue on I 70 West: Kansas City
1 km · 57 sec
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18
Merge slight left
13.6 mi · 17 min
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19
Take the exit slight right toward MO K: O'Fallon, Main Street
119 m · 8 sec
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20
Turn straight onto East Terra Lane
1.4 km · 2 min · East Terra Lane
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21
Turn right onto South Main Street
2830 ft · 1 min · South Main Street
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22
Turn right
8 m · 2 sec
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23
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Poplar Bluff and O'Fallon.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
North Westwood Boulevard
Continue straight
113 mi · 02h 09m
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.
Mostly Sunny then Slight Chance Showers And Thunderstorms leaving Poplar Bluff and Mostly Sunny near O'Fallon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Poplar Bluff to O'Fallon?
The road trip is about 175.9 miles (283.1 km) and usually takes 02h 53m 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?
Leadington is a useful midpoint, sitting about 87.9 miles from Poplar Bluff and 88 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 142.9 miles (229.9 km), while the road route adds roughly 33 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 12:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.42 one way or $46.84 round trip. Estimated CO2 is about 55.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Poplar Bluff and Mostly Sunny near O'Fallon.
Stop Ideas Near Leadington
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 Leadington.
Kirkwood
Gateway Transportation Center
Washington
Du Quoin
Flight Path Map
This map shows the direct air route between Poplar Bluff and O'Fallon. Straight-line distance: 142.88 mi (229.94 km).
#1 Poplar Bluff
City in Butler County in Southeast Missouri, United States
| Population | 16,807 |
| Coordinates | 36.7570000, -90.3928900 |
| Altitude | 110 |
| Country | United States |
#2 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
End: (-90.699849, 38.810674)
Estimated Travel Time
Distance: 283 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 51m |
| 40 mph (64.37 km/h) | 04h 23m |
| 50 mph (80.47 km/h) | 03h 31m |
| 60 mph (96.56 km/h) | 02h 55m |
| 70 mph (112.65 km/h) | 02h 30m |
| 80 mph (129 km/h) | 02h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $23.42 | $46.84 |
| Mid-grade | $4.25 | $26.41 | $52.82 |
| Premium | $4.65 | $28.90 | $57.80 |
| Diesel | $5.30 | $32.94 | $65.88 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.