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Trip from Lemay, MO to Wentzville, MO

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Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Sep 7, 2026 · Editorial standards

Drive Time

59m

Distance

44.4 mi

71 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$7

one way

EV Charging

Unknown

Best Time to Leave

Save up to 14 min
4 AM
0h 55m ★
6 AM
0h 59m
8 AM
1h 9m
10 AM
1h 3m
12 PM
1h 2m
3 PM
1h 3m
5 PM
1h 8m
8 PM
0h 56m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time
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Downtown Lemay, MO, MO

Lemay, MO

Valeria Boltneva

city in St. Charles County, Missouri, United States

Wentzville, MO

Wikimedia Commons

Trip Overview

The drive from Lemay, MO to Wentzville, MO covers 44.4 miles and takes about 59m 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, I 270, Telegraph Road for much of the mileage, and the overall profile is mixed highway & surface. The longest uninterrupted segment is about 25.6 miles on Avenue of the Saints. At current regular gas prices, budget about $6.88 one way before food or hotel costs.

Main Roads

Road Distance Duration
Avenue of the Saints 25.6 mi 31m
I 270 12 mi 15m
Telegraph Road 2.4 mi 4m
I 255 1.9 mi 2m
East Pearce Boulevard 0.5 mi 1m
Gentry Avenue 0.5 mi 1m
Luetkenhaus Boulevard 0.1 mi <1m
Pitman Avenue <0.1 mi <1m
Longest stretch: Avenue of the Saints — 25.6 mi, about 31m

Turn-by-Turn Driving Directions

Step-by-step road directions between Lemay, MO and Wentzville, 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

26 mi · 31 min · Avenue of the Saints
Use the straight lane.
12

Take the exit

0.2 mi · 24 sec
Toward Pitman Avenue Use the slight right lane.
13

Turn left onto Pitman Avenue

370 ft · 9 sec · Pitman Avenue
Use the left lane.
14

Turn right onto Luetkenhaus Boulevard

0.1 mi · 22 sec · Luetkenhaus Boulevard
15

Turn left onto East Pearce Boulevard

0.5 mi · 1 min · East Pearce Boulevard
Use the left lane.
16

Turn left onto North Elm Street

216 ft · 11 sec · North Elm Street
17

Turn right onto East Allen Street

201 ft · 8 sec · East Allen Street
18

Arrive at destination

East Allen Street

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

suburb of St. Louis, Missouri, USA

Mid-route town

Meal stop

Kirkwood, MO

22 mi into the route

Best for: Lunch, fuel, and a longer reset

This sits close to the middle of the route, so it works well for the longest stop of the day.

Pacing Suggestions

Fenton, MO

Fuel and coffee

A short stop after about 10 miles helps settle the day before fatigue starts building.

Chesterfield, MO

Meal break

The midpoint is around 22.2 miles from Lemay, MO, which is a good place for a longer meal and fuel stop.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

Heads-up: tricky spots

5 of 15

5 decision points cluster between mile 0 and 43.6 — 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

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...
6
43.5 mi into trip | ~56m in

Take the exit toward Pitman Avenue

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the slight right lane. Toward Pitman Avenue
6
43.6 mi into trip | ~57m in | Pitman Avenue

Turn left onto Pitman Avenue

Lane positioning matters here

Use the left lane.

Fuel & Cost

Regular Gas

$6.88 one way

$13.77 round trip

$3.94/gal 25.4 MPG avg 16 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.32 $7.55 $15.10
premium $4.93 $8.61 $17.23
diesel $5.60 $9.79 $19.57

No toll roads detected on this route.

Drive Cost (one way)

Fuel

$7

Estimated CO2 emission: 15.5 kg one way. Prices: EIA weekly data, 2026-08-31.

Driving Electric?

About $5 in charging · 0 stops · 69% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 13.3 0 $4.66 $2.13
Efficient EV 11.1 0 $3.89 $1.78
EV Truck/SUV 17.8 0 $6.22 $2.84

Gas CO2

16 kg

EV CO2

5 kg (69% 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 Aug 31, 2026

Origin

Lemay, MO

Late night in Lemay on Monday

Local time

4:13 AM

CDT

Current temp

73°F

Mostly Clear

S 6 mph 0% chance Live forecast

Heat Advisory

Heat Advisory issued August 30 at 8:06PM CDT until September 2 at 7:00PM CDT by NWS Quad Cities IA IL

Heat Advisory

Heat Advisory issued August 30 at 8:03PM CDT until September 2 at 7:00PM CDT by NWS Kansas City/Pleasant Hill MO

Destination

Wentzville, MO

Late night in Wentzville on Monday

Local time

4:13 AM

CDT

Current temp

73°F

Mostly Clear

S 7 mph 0% chance Live forecast

Heat Advisory

Heat Advisory issued August 30 at 8:06PM CDT until September 2 at 7:00PM CDT by NWS Quad Cities IA IL

Heat Advisory

Heat Advisory issued August 30 at 8:03PM CDT until September 2 at 7:00PM CDT by NWS Kansas City/Pleasant Hill MO

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

Very similar conditions

Both ends of the route are sitting at about the same temperature right now.

Road read

59m on the road

The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

What kind of drive is this?

44.4 mi in 59m — 31% highway, the rest on surface roads. Biggest road: Avenue of the Saints.

31% highway, the rest on surface roads — varied driving throughout.
18 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 25.6 mi on Avenue of the Saints.

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 44.4 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 59m.

Where does it get tricky?

The main spots that need attention: near the start (Placid Avenue): Navigation decision point; at 17.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 17.3 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Elevation Profile

Mostly flat terrain

631 ft 462 ft

Total Climb

477 ft

Total Descent

325 ft

Highest Point

631 ft

~44.5 mi in

Elevation Range

169 ft

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 Wentzville, MO, road signs begin pointing toward Saint Louis along the way.

Saint Louis

17.2 mi in | ~24m

About the Cities

Arriving in Wentzville, MO

Full guide →

Founded 1855

City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 59m. Total distance: 44.4 miles.

Family Friendly

Moderate complexity with 0 natural rest stops along the way.

Solo Traveler

59m drive, comfortable solo distance.

EV Driver

0 DC fast chargers along the route. Coverage: unknown.

First-Time Driver

Mostly highway driving (31%). Some complex stretches to watch for.

Scenic Drive

Mixed highway & surface route profile with national parks nearby.

Frequently Asked Questions

The longest stretch is about 25.6 miles on Avenue of the Saints. 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 Wentzville, 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 17.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 17.3 miles: Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one.

Yes — Gateway Arch National Park. See the National Parks section for detour distances and tips on detours.

Yes. A round trip is manageable in a single day if you plan a break at Wentzville, 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, EIA for fuel prices, USGS 3DEP for elevation, and NPS for national parks. See our methodology for refresh cadence and limitations.

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