How far is Montgomery City, MO from St. Louis, MO?
The driving distance from Montgomery City, MO to St. Louis, MO is about 81.6 miles (131.3 km), with a travel time of about 01h 21m by car.
- The straight-line flight distance is about 74.4 miles (119.8 km).
- For a round trip, plan for roughly 02h 42m 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 21m.
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.
A city in St.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Montgomery City and St. Louis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Montgomery City and St. Louis.
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1
Start on East 2nd Street
12 m · 7 sec · East 2nd Street
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2
Turn left onto North Sturgeon Street
6.1 mi · 9 min · North Sturgeon Street
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3
Enter the roundabout and take exit 3 toward the route
68 m · 4 sec
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4
Exit the roundabout
76 m · 4 sec
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5
Turn straight
620 ft · 14 sec
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6
Enter the roundabout and take exit 4 toward I 70 East, US 40 East: Saint Louis
158 m · 10 sec
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7
Exit the roundabout onto I 70 East, US 40 East: Saint Louis
1168 ft · 15 sec
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8
Merge slight left onto Dwight D. Eisenhower Highway
34.9 mi · 42 min · Dwight D. Eisenhower Highway
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9
Take the exit slight right toward I 64 East, US 40 East, US 61 South: Chesterfield
1567 ft · 33 sec
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10
Merge slight left onto Avenue of the Saints
27.7 mi · 34 min · Avenue of the Saints
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11
Continue on Daniel Boone Expressway
5.7 mi · 7 min · Daniel Boone Expressway
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12
Continue on Jack Buck Memorial Highway
5.8 mi · 7 min · Jack Buck Memorial Highway
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13
Take the exit slight right toward 14th Street
1115 ft · 34 sec
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14
Turn left onto South 14th Street
1715 ft · 42 sec · South 14th Street
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15
Turn right onto Market Street
956 ft · 25 sec · Market Street
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16
Arrive at your destination
0 m · 1 sec · Market Street
Car Route Details
A richer read on the saved driving route between Montgomery City and St. Louis.
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
Merge slight left onto Dwight D. Eisenhower Highway
34.9 mi · 00h 42m
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.
Showers And Thunderstorms leaving Montgomery City and Showers And Thunderstorms Likely near St. Louis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Montgomery City to St. Louis?
The road trip is about 81.6 miles (131.3 km) and usually takes 01h 21m 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?
Wentzville is a useful midpoint, sitting about 40.8 miles from Montgomery City and 40.8 miles from St. Louis.
How much longer is the road route than the straight-line distance?
The direct path is about 74.4 miles (119.8 km), while the road route adds roughly 7.2 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 3:48 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.86 one way or $21.72 round trip. Estimated CO2 is about 25.6 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Montgomery City and Showers And Thunderstorms Likely near St. Louis.
Stop Ideas Near Wentzville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
City of O'Fallon
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Wentzville.
Washington
Kirkwood
Hermann
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between Montgomery City and St. Louis. Straight-line distance: 74.42 mi (119.77 km).
#1 Montgomery City
City in Missouri, United States
| Population | 2,678 |
| Coordinates | 38.9775400, -91.5048800 |
| Altitude | 251 |
| Country | United States |
#2 St. Louis
The second most populous city in Missouri and the center of the St.
| Population | 315,685 |
| Coordinates | 38.6272700, -90.1978900 |
| Altitude | 142 |
| Country | United States |
End: Market Street (-90.197859, 38.627348)
Estimated Travel Time
Distance: 131 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 43m |
| 40 mph (64.37 km/h) | 02h 02m |
| 50 mph (80.47 km/h) | 01h 37m |
| 60 mph (96.56 km/h) | 01h 21m |
| 70 mph (112.65 km/h) | 01h 09m |
| 80 mph (129 km/h) | 01h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $10.86 | $21.72 |
| Mid-grade | $4.25 | $12.25 | $24.50 |
| Premium | $4.65 | $13.40 | $26.81 |
| Diesel | $5.30 | $15.28 | $30.55 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.