Origin
O'Fallon, MO
Late night in O'Fallon on Saturday
Local time
1:42 AM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from O'Fallon, MO to Crestwood, MO
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
44m
Distance
32.5 mi
52 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 41m
★
6 AM
0h 45m
8 AM
0h 52m
10 AM
0h 47m
12 PM
0h 46m
3 PM
0h 48m
5 PM
0h 52m
8 PM
0h 42m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
O'Fallon, MO
Wikimedia Commons
Crestwood, MO
Theodore Nguyen
Trip Overview
The drive from O'Fallon, MO to Crestwood, MO covers 32.5 miles and takes about 44m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 270, I 70, US Historic 66 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 13.8 miles on I 270. At current regular gas prices, budget about $5.08 one way before food or hotel costs.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 44m. Total distance: 32.5 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
44m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (87%). Some complex stretches to watch for.
Drive Character
This is a 44m highway drive covering 32.5 miles, with most of the trip on I 270 and I 70. The longest continuous stretch is about 13.8 miles on I 270.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 13 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 270 is the longest continuous segment at about 13.8 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 270 and I 70. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.6 miles in near Drennen Parkway.
Driving Effort
9/10
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 10 decision points packed into just 32.5 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 44m.
Where does it get tricky?
The main spots that need attention: at 0.6 miles (Drennen Parkway): Lane positioning matters here; at 15.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 15.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 10 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.6 mi into trip
|
~1m in
|
Drennen Parkway
Turn left onto Drennen Parkway
Lane positioning matters here
Use the left lane.
8
15.1 mi into trip
|
~20m 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 232
Toward I 270: Chicago, Memphis
7
15.2 mi into trip
|
~20m in
Keep slight right at fork toward I 270 South: Memphis
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 270 South: Memphis
8
29.6 mi into trip
|
~38m in
Take the exit toward I 44 East, US 50 East, MO 366 East: 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 5A
Toward I 44 East, US 50 East, MO 366 East: Sain...
7
30.1 mi into trip
|
~39m in
|
US Historic 66
Keep slight right at fork onto US Historic 66 toward MO 366 East: Watson Road
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward MO 366 East: Watson Road
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 O'Fallon, MO to Crestwood, MO, road signs begin pointing toward Memphis along the way.
Memphis
15.1 mi in
|
~20m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 270 | 13.8 mi | 17m |
| I 70 | 13.5 mi | 16m |
| US Historic 66 | 2.6 mi | 5m |
| Drennen Parkway | 0.9 mi | 1m |
| South Main Street | 0.6 mi | 1m |
| Watson Road | — | — |
Some road-level metrics are being recalculated.
Longest stretch:
I 270
— 13.8 mi, about 17m
Turn-by-Turn Driving Directions
Step-by-step road directions between O'Fallon, MO and Crestwood, MO.
1
Start on this road
25 ft
·
7 sec
·
this road
2
Turn left onto South Main Street
0.6 mi
·
1 min
·
South Main Street
3
Turn left onto Drennen Parkway
0.9 mi
·
1 min
·
Drennen Parkway
Use the left lane.
4
Take the ramp
438 ft
·
6 sec
Toward I 70 East: Saint Louis
Use the slight left lane.
5
Merge onto I 70
14 mi
·
16 min
·
I 70
Use the straight / slight right lanes.
6
Take the exit
0.2 mi
·
12 sec
Exit 232
Toward I 270: Chicago, Memphis
Use the slight right lane.
7
Keep slight right at fork
0.4 mi
·
33 sec
Toward I 270 South: Memphis
Use the slight right lane.
8
Continue on this road
0.1 mi
·
10 sec
·
this road
Exit 232
Toward I 270 South: Memphis
9
Merge onto I 270
14 mi
·
17 min
·
I 270
Use the straight lane.
10
Take the exit
0.3 mi
·
1 min
Exit 5A
Toward I 44 East, US 50 East, MO 366 East: Saint Louis
Use the slight right lane.
11
Continue on US Historic 66
0.2 mi
·
12 sec
·
US Historic 66
Toward I 44 East, US 50 East, MO 366 East: Saint Louis
12
Keep slight right at fork onto US Historic 66
2.5 mi
·
4 min
·
US Historic 66
Toward MO 366 East: Watson Road
Use the slight right lane.
13
Arrive at destination
MO 366
Fuel & Cost
Regular Gas
$5.08 one way
$10.16 round trip
$3.97/gal
25.4 MPG avg
11 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $5.58 | $11.16 |
| premium | $4.89 | $6.25 | $12.51 |
| diesel | $5.61 | $7.18 | $14.35 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 11.4 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 64% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 9.8 | 0 | $3.41 | $1.56 |
| Efficient EV | 8.1 | 0 | $2.84 | $1.30 |
| EV Truck/SUV | 13 | 0 | $4.55 | $2.08 |
Gas CO2
11 kg
EV CO2
4 kg (64% 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
Crestwood, MO
Late night in Crestwood on Saturday
Local time
1:42 AM
CDT
Current temp
55°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
2 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
44m 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 O'Fallon, MO to Crestwood, MO covers 32.5 miles and takes about 44m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 270, I 70, US Historic 66. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 16.3 miles from O'Fallon, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $5.08 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a short but busy drive. With 10 decision points packed into just 32.5 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 44m.
The main spots that need attention: at 0.6 miles (Drennen Parkway): Lane positioning matters here; at 15.1 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 15.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
On the drive from O'Fallon, MO to Crestwood, MO, road signs begin pointing toward Memphis along the way.
Yes. Nearby national parks include Gateway Arch National Park.
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.
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