Origin
Lemay, MO
Late night in Lemay on Sunday
Local time
2:34 AM
CDT
Current temp
83°F
Unavailable
Live forecast
Trip from Lemay, MO to Chesterfield, MO
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
36m
Distance
25 mi
40 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 34m
★
6 AM
0h 37m
8 AM
0h 43m
10 AM
0h 39m
12 PM
0h 38m
3 PM
0h 39m
5 PM
0h 43m
8 PM
0h 35m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Lemay, MO
Valeria Boltneva
Chesterfield, MO
Wikimedia Commons
Trip Overview
This 25.1-mile drive from Lemay, MO to Chesterfield, MO is a quick trip, typically taking around 30 minutes. It's a straightforward local route that stays entirely within Missouri, making it an easy addition to any Midwest travel plans. With a modest fuel cost estimate of $4, this drive is perfectly suited for a single-day excursion. You won't need to worry about overnight stays, and its short distance allows for plenty of flexibility in your schedule. Consider this route for a simple, efficient hop between two points in the greater St. Louis area.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 270 | 12 mi | 15m |
| Avenue of the Saints | 5.9 mi | 7m |
| Telegraph Road | 2.4 mi | 4m |
| I 255 | 1.9 mi | 2m |
| Gentry Avenue | 0.5 mi | 1m |
| North Outer 40 | 0.4 mi | <1m |
| Old Chesterfield Road | 0.3 mi | 1m |
| Chesterfield Parkway West | 0.1 mi | <1m |
Longest stretch:
I 270
— 12 mi, about 15m
Turn-by-Turn Driving Directions
Step-by-step road directions between Lemay, MO and Chesterfield, MO.
1
Start on Rembold Avenue
198 ft
·
14 sec
·
Rembold Avenue
2
Turn left onto Placid Avenue
347 ft
·
21 sec
·
Placid Avenue
3
Turn sharp right onto Gentry Avenue
0.5 mi
·
1 min
·
Gentry Avenue
4
At end of road, turn left onto Telegraph Road
2.4 mi
·
4 min
·
Telegraph Road
5
Take the ramp
0.4 mi
·
26 sec
Toward I 255 West, US 50 West: Memphis
6
Merge onto I 255; US 50
1.9 mi
·
2 min
·
I 255; US 50
Use the straight lane.
7
Continue on I 270
12 mi
·
15 min
·
I 270
Use the straight lane.
8
Take the exit
0.1 mi
·
17 sec
Exit 12
Toward I 64, US 40, US 61: Wentzville, Saint Louis
Use the slight right lane.
9
Keep slight left at fork
0.4 mi
·
48 sec
Toward I 64 West, US 40 West, US 61 North: Wentzville
Use the slight left lane.
10
Continue on this road
0.1 mi
·
9 sec
·
this road
Exit 12
Toward I 64 West, US 40 West, US 61 North: Wentzville
11
Merge onto I 64; US 40; US 61
5.9 mi
·
7 min
·
Avenue of the Saints
Use the straight lane.
12
Take the exit
381 ft
·
8 sec
Exit 19A
Toward Chesterfield Parkway West
Use the slight right lane.
13
Turn straight onto North Outer 40
0.4 mi
·
55 sec
·
North Outer 40
Use the straight / slight left lanes.
14
Turn left onto Chesterfield Parkway West
0.1 mi
·
26 sec
·
Chesterfield Parkway West
Use the left / straight lanes.
15
Turn right
0.3 mi
·
33 sec
16
Turn straight onto Wild Horse Creek Road
158 ft
·
4 sec
·
Wild Horse Creek Road
17
Turn right onto Old Chesterfield Road
0.3 mi
·
1 min
·
Old Chesterfield Road
18
Turn left onto Santa Maria Drive
107 ft
·
4 sec
·
Santa Maria Drive
19
Arrive at destination
Santa Maria Drive
Heads-up: tricky spots
5 of 155 decision points cluster between mile 0 and 23.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0 mi into trip
|
~0m in
|
Placid Avenue
Turn left onto Placid Avenue
Navigation decision point
5
0.1 mi into trip
|
~0m in
|
Gentry Avenue
Turn sharp right onto Gentry Avenue
Sharp turn - reduce speed on approach
8
17.2 mi into trip
|
~24m in
Take the exit toward I 64, US 40, US 61: Wentzville, Saint Louis
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 12
Toward I 64, US 40, US 61: Wentzville, Saint Lo...
8
17.3 mi into trip
|
~24m in
Keep slight left at fork toward I 64 West, US 40 West, US 61 North: Wentzville
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward I 64 West, US 40 West, US 61 North: Went...
7
23.7 mi into trip
|
~33m in
Take the exit toward Chesterfield Parkway West
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 19A
Toward Chesterfield Parkway West
Fuel & Cost
Regular Gas
$3.91 one way
$7.82 round trip
$3.97/gal
25.4 MPG avg
9 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $4.29 | $8.58 |
| premium | $4.89 | $4.81 | $9.62 |
| diesel | $5.61 | $5.52 | $11.04 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 8.7 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 7.5 | 0 | $2.63 | $1.20 |
| Efficient EV | 6.3 | 0 | $2.19 | $1.00 |
| EV Truck/SUV | 10 | 0 | $3.50 | $1.60 |
Gas CO2
9 kg
EV CO2
3 kg (67% 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.
Destination
Chesterfield, MO
Late night in Chesterfield on Sunday
Local time
2:34 AM
CDT
Current temp
57°F
Unavailable
Live forecast
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
26 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
36m 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.
What kind of drive is this?
Expect a turn-heavy local drive for this 25.1-mile journey. The route primarily utilizes Placid Avenue, Gentry Avenue, and Telegraph Road, with zero highway mileage. This means you'll be navigating city streets and local thoroughfares for the entire duration. The absence of long highway stretches suggests a more stop-and-go experience, with frequent intersections and changes in speed. You'll likely be engaging with the local road network continuously, so keep your attention focused on traffic signals and turns.
56% highway, the rest on surface roads — varied driving throughout.
19 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 12 mi on I 270.
How Hard Is This Drive?
8/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near Placid Avenue.
Driving Effort
8/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 15 decision points packed into just 25 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 36m.
Where does it get tricky?
The main spots that need attention: near the start (Placid Avenue): Navigation decision point; at 0.1 miles (Gentry Avenue): Sharp turn - reduce speed on approach; at 17.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Lemay, MO to Chesterfield, MO, road signs begin pointing toward Saint Louis along the way.
Saint Louis
17.2 mi in
|
~24m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 36m. Total distance: 25 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
36m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (56%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 12 miles on I 270. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Chesterfield, MO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: near the start (Placid Avenue): Navigation decision point; at 0.1 miles (Gentry Avenue): Sharp turn - reduce speed on approach; at 17.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes. A round trip is manageable in a single day if you plan a break at Chesterfield, MO before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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