The drive from La Plata, MO to St. Louis, MO covers 195.2 miles and takes about 3h 54m behind the wheel.
This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Avenue of the Saints, Chicago-Kansas City Expressway, US 63 for much of the mileage,
and the overall profile is mixed drive.
The longest uninterrupted segment is about 101.3 miles on Avenue of the Saints.
At current regular gas prices, budget about $30.52 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
97.6 miles from La Plata, MO
A natural place for your longest stop of the day
, about 1h 56m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 54m. Total distance: 195.2 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 54m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (40%). Some complex stretches to watch for.
Scenic Drive
Mixed drive route profile with national parks nearby.
Drive Character
The drive from La Plata, MO to St. Louis, MO covers 195.2 miles and takes about 3h 54m, using a mix of highways and local roads.
Expect a mix of faster highway mileage and slower local approaches near the beginning or end.
There are about 19 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Avenue of the Saints is the longest continuous segment at about 101.3 miles.
How Hard Is This Drive?
This route mixes highway mileage with some local-road sections near the start or finish. You will hit about 13 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near South Gex Street.
Driving Effort5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 195.2 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (South Gex Street): Navigation decision point; at 19.9 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 81.7 miles (US 61 / Avenue of the Saints): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 13 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
5
0 mi into trip|~0m in|South Gex Street
Turn left onto South Gex Street
Navigation decision point
6
19.9 mi into trip|~23m in
Take the exit toward US 36 East, MO 110 East: Hannibal
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward US 36 East, MO 110 East: Hannibal
5
81.7 mi into trip|~1h 37m in|US 61 / Avenue of the Saints
Merge onto US 61 / Avenue of the Saints
Merge point - match speed before joining. Lane positioning matters here
Use the right lane.
7
194.4 mi into trip|~3h 52m in
Take the exit toward 14th Street
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 39A
Toward 14th Street
5
194.6 mi into trip|~3h 53m in|South 14th Street
Turn left onto South 14th Street
Lane positioning matters here
Use the left lane.
Main Roads
Road
Distance
Duration
Avenue of the Saints
101.3 mi
2h 1m
Chicago-Kansas City Expressway
52.9 mi
1h 1m
US 63
19 mi
21m
V.F.W. Memorial Highway
5.8 mi
6m
Jack Buck Memorial Highway
5.8 mi
7m
Daniel Boone Expressway
5.7 mi
7m
Veterans Road
2.1 mi
3m
East Clark Street
0.7 mi
1m
Longest stretch:
Avenue of the Saints
— 101.3 mi, about 2h 1m
Turn-by-Turn Driving Directions
Step-by-step road directions between La Plata, MO and St. Louis, MO.
1
Start on East Moore Street
20 ft·6 sec·East Moore Street
2
Turn left onto South Gex Street
0.2 mi·42 sec·South Gex Street
3
Turn left onto MO 156
0.7 mi·1 min·East Clark Street
4
Turn right onto US 63
19 mi·21 min·US 63
5
Take the exit
0.2 mi·12 sec
Toward US 36 East, MO 110 East: Hannibal
6
Merge onto US 36; MO 110
53 mi·1 hr 1 min·Chicago-Kansas City Expressway
7
Continue on US 24; US 36; MO 110
5.8 mi·6 min·V.F.W. Memorial Highway
8
Take the exit
0.2 mi·30 sec
Toward Veterans Road
9
Turn right onto Veterans Road
2.1 mi·3 min·Veterans Road
10
At end of road, turn left onto County Road 422
279 ft·6 sec·County Road 422
11
Continue on Paris Gravel Road
0.5 mi·1 min·Paris Gravel Road
12
Take the ramp
120 ft·3 sec
13
Merge onto US 61
101 mi·2 hr 1 min·Avenue of the Saints
Use the right lane.
14
Continue on I 64; US 40
5.7 mi·7 min·Daniel Boone Expressway
Use the straight lane.
15
Continue on I 64; US 40
5.8 mi·7 min·Jack Buck Memorial Highway
Use the straight / slight right lanes.
16
Take the exit
0.2 mi·34 sec
Exit 39AToward 14th StreetUse the slight right lane.
17
Turn left onto South 14th Street
0.3 mi·42 sec·South 14th Street
Use the left lane.
18
Turn right onto Market Street
0.2 mi·25 sec·Market Street
19
Arrive at destination
Market Street
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 97.6 miles from La Plata, MO, or about 1h 56m into the drive.
The longest continuous stretch on this route runs about 101.3 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 43 miles or 50m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 97.6 miles or 1h 56m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 11m
Traffic, exits, and arrival timing usually matter more near St. Louis, MO than in the middle of the route.
Before You Leave
+
Open the route before leaving La Plata, MO so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from La Plata, MO
This is one driving day of about 195.2 miles and 3h 54m.
Your first comfortable stop window is around 43 miles from La Plata, MO.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Avenue of the Saints for about 101.3 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 97.6 mi from La Plata, MO
· 1h 56m into the drive
Place data sourced from public business listings. Hours and availability may vary.
National Parks Near This Route
Worth a detour if your schedule allows.
Gateway Arch National Park
National Park
Gateway Arch National Park commemorates President Jefferson’s vision of a continental nation, the individuals and cultural groups who helped shape its history, St. Louis’ role in westward expansion, a...
Park data from the National Park Service API. Alerts update every 2 hours.
Fuel & Cost
Regular Gas
$30.52 one way
$61.03 round trip
$3.97/gal25.4 MPG avg68 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$33.51
$67.01
premium
$4.89
$37.56
$75.13
diesel
$5.61
$43.10
$86.20
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$31
Meals
$25–$50
Total
$56–$81
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 68.3 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $21 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
58.6
0
$20.50
$9.37
Efficient EV
48.8
0
$17.08
$7.81
EV Truck/SUV
78.1
0
$27.33
$12.49
Gas CO2
68 kg
EV CO2
23 kg (66% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Apr 15, 2026
Origin
La Plata, MO
Morning
in La Plata on Friday
Local time
11:05 AM
CDT
Current temp
69°F
Unavailable
Live forecast
Destination
St. Louis, MO
Morning
in St. Louis on Friday
Local time
11:05 AM
CDT
Current temp
74°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
5 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
3h 54m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from La Plata, MO to St. Louis, MO covers 195.2 miles and takes about 3h 54m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Avenue of the Saints, Chicago-Kansas City Expressway, US 63. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 97.6 miles from La Plata, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $30.52 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This drive requires moderate attention. Across 195.2 miles you will encounter 13 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: near the start (South Gex Street): Navigation decision point; at 19.9 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 81.7 miles (US 61 / Avenue of the Saints): Merge point - match speed before joining. Lane positioning matters here.
The route from La Plata, MO to St. Louis, MO does not surface many named destination signs beyond the main corridor.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
