Origin
Wentzville, MO
Late night in Wentzville on Sunday
Local time
1:03 AM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Wentzville, MO to Arnold, MO
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
57m
Distance
45.1 mi
73 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$7
one way
EV Charging
Good
8 stations
Best Time to Leave
4 AM
0h 53m
★
6 AM
0h 58m
8 AM
1h 7m
10 AM
1h 1m
12 PM
1h 0m
3 PM
1h 1m
5 PM
1h 7m
8 PM
0h 55m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Wentzville, MO
Wikimedia Commons
Arnold, MO
Wikimedia Commons
Trip Overview
Wentzville, MO to Arnold, MO is 45.1 miles and takes about 57m via Avenue of the Saints, with a fuel budget near $7 and enough daylight to finish in a day. This trip stays within the Midwest region, specifically within Missouri, offering a straightforward, same-day excursion. You'll experience a drive characterized by frequent turns, making it more of a local navigation challenge than a high-speed transit. With no planned stops and a relatively short duration, this route is ideal for a quick journey where flexibility is key.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Avenue of the Saints | 25.5 mi | 31m |
| I 270 | 11.5 mi | 14m |
| Officer Thomas G. Smith, Jr. Memorial Highway | 1.8 mi | 2m |
| Rosa Parks Highway | 1.5 mi | 1m |
| Police Officer Steven Jarvis Memorial Highway | 0.9 mi | 1m |
| Jeffco Boulevard | 0.9 mi | 1m |
| East Pearce Boulevard | 0.5 mi | 1m |
| MO 141 | 0.3 mi | <1m |
Longest stretch:
Avenue of the Saints
— 25.5 mi, about 31m
Turn-by-Turn Driving Directions
Step-by-step road directions between Wentzville, MO and Arnold, MO.
1
Start on East Allen Street
40 ft
·
3 sec
·
East Allen Street
2
Turn right onto North Linn Avenue
214 ft
·
11 sec
·
North Linn Avenue
3
Turn right onto East Pearce Boulevard
0.5 mi
·
1 min
·
East Pearce Boulevard
4
Turn slight right
349 ft
·
8 sec
5
Turn slight right onto Luetkenhaus Boulevard
500 ft
·
14 sec
·
Luetkenhaus Boulevard
Use the straight / right lanes.
6
Take the ramp
164 ft
·
2 sec
Toward US 61 South, I 70, US 40
Use the straight / right lanes.
7
Keep slight left at fork
0.1 mi
·
10 sec
Toward US 61 South
Use the straight / slight right lanes.
8
Merge onto US 61
25 mi
·
31 min
·
Avenue of the Saints
Use the straight / slight left lanes.
9
Take the exit
0.3 mi
·
38 sec
Exit 25
Toward I 270: Chicago, Memphis
Use the slight right lane.
10
Keep slight right at fork
0.3 mi
·
31 sec
Toward I 270 South: Memphis
Use the slight right lane.
11
Merge onto I 270
11 mi
·
14 min
·
I 270
Use the straight lane.
12
Take the exit
0.4 mi
·
27 sec
Exit 1A
Toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road
Use the straight / slight right lanes.
13
Keep slight right at fork
0.4 mi
·
43 sec
Toward I 55 South: Memphis
14
Merge onto I 55
1.5 mi
·
1 min
·
Rosa Parks Highway
15
Continue on I 55
1.8 mi
·
2 min
·
Officer Thomas G. Smith, Jr. Memorial Highway
16
Continue on I 55
0.9 mi
·
1 min
·
Police Officer Steven Jarvis Memorial Highway
17
Take the exit
0.2 mi
·
27 sec
Exit 191
Toward MO 141: Arnold
Use the slight right lane.
18
Keep slight left at fork
438 ft
·
12 sec
Toward MO 141 South: Arnold
Use the slight left lane.
19
Merge onto MO 141
0.2 mi
·
13 sec
·
MO 141
20
Continue on MO 141
0.2 mi
·
20 sec
·
MO 141
21
Turn right onto US 61; US 67
0.9 mi
·
1 min
·
Jeffco Boulevard
22
Arrive at destination
US 61; US 67
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
23 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
Fuel and coffee
A short stop after about 10 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 22.5 miles from Wentzville, 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 155 decision points cluster between mile 0.7 and 43.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
7
0.7 mi into trip
|
~1m in
Take the ramp toward US 61 South, I 70, US 40
Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / right lanes.
Toward US 61 South, I 70, US 40
8
0.7 mi into trip
|
~1m in
Keep slight left at fork toward US 61 South
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward US 61 South
8
26.3 mi into trip
|
~32m in
Take the exit toward I 270: Chicago, Memphis
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 25
Toward I 270: Chicago, Memphis
8
38.5 mi into trip
|
~48m in
Take the exit toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Exit 1A
Toward I 55, US 61, US 67: Saint Louis, Memphis...
8
43.8 mi into trip
|
~55m in
Keep slight left at fork toward MO 141 South: Arnold
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward MO 141 South: Arnold
Fuel & Cost
Regular Gas
$7.05 one way
$14.10 round trip
$3.97/gal
25.4 MPG avg
16 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $7.74 | $15.48 |
| premium | $4.89 | $8.68 | $17.36 |
| diesel | $5.61 | $9.96 | $19.92 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$7
Estimated CO2 emission: 15.8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $5 in charging · 0 stops · 69% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 13.5 | 0 | $4.74 | $2.16 |
| Efficient EV | 11.3 | 0 | $3.95 | $1.80 |
| EV Truck/SUV | 18 | 0 | $6.31 | $2.89 |
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.
Destination
Arnold, MO
Late night in Arnold on Sunday
Local time
1:03 AM
CDT
Current temp
57°F
Unavailable
Live forecast
57°F
Chesterfield, MO
23 mi in
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
57m 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 45.1-mile trip, with only 26% of the journey on highways like I 270 and Officer Thomas G. Smith, Jr. Memorial Highway. The longest continuous stretch you'll encounter is 25.5 miles on Avenue of the Saints, so be prepared for more frequent adjustments to your steering. The profile suggests a route that prioritizes local roads and intersections over long, uninterrupted highway segments, meaning you'll be actively engaged with the driving.
Only 26% highway — the rest is turn-by-turn surface driving.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 25.5 mi on Avenue of the Saints.
How Hard Is This Drive?
10/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.7 miles in.
Driving Effort
10/10
Focused - lots of decisions in a short distance, but it is over quickly
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 15 decision points packed into just 45.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 57m.
Where does it get tricky?
The main spots that need attention: at 0.7 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 0.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 26.3 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 Wentzville, MO to Arnold, MO, road signs begin pointing toward Memphis along the way.
Memphis
26.3 mi in
|
~32m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 57m. Total distance: 45.1 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
57m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Mostly surface roads route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 25.5 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 Arnold, 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: at 0.7 miles: Lane positioning matters here. Multiple destination signs - pick the right one; at 0.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 26.3 miles: Exit ramp - move to the correct lane early. 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 Arnold, 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, and NPS for national parks. See our methodology for refresh cadence and limitations.
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