How far is St. Louis, MO from Pacific, MO?
The driving distance from St. Louis, MO to Pacific, MO is about 34.5 miles (55.6 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 31.1 miles (50 km).
- For a round trip, plan for roughly 01h 33m 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 00h 46m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between St. Louis and Pacific.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Louis and Pacific.
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1
Start on Market Street
1.6 km · 2 min · Market Street
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2
Turn left onto South Jefferson Avenue
1.2 mi · 3 min · South Jefferson Avenue
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3
Take the ramp straight toward I 44 West
1051 ft · 17 sec
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4
Merge slight left onto Officer David Haynes Memorial Highway
2.3 mi · 3 min · Officer David Haynes Memorial Highway
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5
Continue on Officer Michael Barwick Memorial Highway
3.5 mi · 4 min · Officer Michael Barwick Memorial Highway
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6
Continue on Police Officer Robert Stanze Memorial Highway
2.7 mi · 3 min · Police Officer Robert Stanze Memorial Highway
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7
Continue on Police Officer Ernest M. Brockman Sr. Memorial Highway
3.5 mi · 4 min · Police Officer Ernest M. Brockman Sr. Memorial Highway
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8
Continue on Henry Shaw Ozark Corridor
15.3 mi · 18 min · Henry Shaw Ozark Corridor
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9
Take the exit slight right toward I 44 Business: Six Flags
1838 ft · 44 sec
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10
Continue straight
4.3 mi · 7 min
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11
Turn left onto North 1st Street
764 ft · 26 sec · North 1st Street
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12
Arrive at your destination
0 m · 1 sec · South 1st Street
Car Route Details
A richer read on the saved driving route between St. Louis and Pacific.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Henry Shaw Ozark Corridor
Continue on Henry Shaw Ozark Corridor
15.3 mi · 00h 18m
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 leaving St. Louis and Mostly Sunny near Pacific.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Louis to Pacific?
The road trip is about 34.5 miles (55.6 km) and usually takes 00h 46m 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?
Valley Park is a useful midpoint, sitting about 17.3 miles from St. Louis and 17.3 miles from Pacific.
How much longer is the road route than the straight-line distance?
The direct path is about 31.1 miles (50 km), while the road route adds roughly 3.4 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 4:56 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.60 one way or $9.20 round trip. Estimated CO2 is about 10.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around St. Louis and Mostly Sunny near Pacific.
Stop Ideas Near Valley Park
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 Valley Park.
Kirkwood
Gateway Transportation Center
Washington
Alton
Flight Path Map
This map shows the direct air route between St. Louis and Pacific. Straight-line distance: 31.04 mi (49.96 km).
#1 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 |
#2 Pacific
City in Missouri
| Population | 7,097 |
| Coordinates | 38.4820000, -90.7415200 |
| Altitude | 142 |
| Country | United States |
End: Pacific (-90.74152, 38.482)
Estimated Travel Time
Distance: 56 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 09m |
| 40 mph (64.37 km/h) | 00h 51m |
| 50 mph (80.47 km/h) | 00h 41m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $4.60 | $9.20 |
| Mid-grade | $4.25 | $5.19 | $10.38 |
| Premium | $4.65 | $5.68 | $11.36 |
| Diesel | $5.30 | $6.47 | $12.94 |
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.