Origin
Kirkwood, MO
Evening in Kirkwood on Friday
Local time
8:44 PM
CDT
Current temp
57°F
Unavailable
Live forecast
Trip from Kirkwood, MO to O'Fallon, MO
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
40m
Distance
29.1 mi
47 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Good
6 stations
Best Time to Leave
4 AM
0h 37m
★
6 AM
0h 41m
8 AM
0h 47m
10 AM
0h 43m
12 PM
0h 42m
3 PM
0h 43m
5 PM
0h 47m
8 PM
0h 39m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Kirkwood, MO
Wikimedia Commons
O'Fallon, MO
Wikimedia Commons
Trip Overview
This straightforward 29.1-mile drive from Kirkwood, MO to O'Fallon, MO is easily manageable as a single-day trip, taking approximately 40 minutes. The route primarily utilizes major interstates, with I-70 and I-270 forming the backbone of your journey, supplemented by a stretch on Manchester Road. Given its short distance and focus on highway travel, you can anticipate a fuel cost of around $5. This drive is ideal for a quick commute or a short excursion within the Midwest region.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 40m. Total distance: 29.1 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
40m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (76%). Some complex stretches to watch for.
Drive Character
Expect a highway-focused experience for 76% of this 29.1-mile journey. The longest uninterrupted stretch you'll encounter is 13.6 miles on I-70, allowing for a consistent pace. While the route is predominantly interstate, a portion on Manchester Road offers a slight variation before rejoining the faster highway segments. This drive is characterized by efficient travel rather than winding scenic byways.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 14 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 70 is the longest continuous segment at about 13.6 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 70 and I 270. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3.6 miles in near I 270.
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 11 decision points packed into just 29.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 40m.
Where does it get tricky?
The main spots that need attention: at 3.6 miles (I 270): Merge point - match speed before joining. Lane positioning matters here; at 12.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 13.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Critical Maneuvers
5 of 11 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
3.6 mi into trip
|
~7m in
|
I 270
Merge onto I 270
Merge point - match speed before joining. Lane positioning matters here
Use the straight lane.
8
12.2 mi into trip
|
~17m in
Take the exit toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
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 20A
Toward I 70: Kansas City, Saint Louis, Saint Lo...
7
13.2 mi into trip
|
~19m in
Keep slight left at fork toward I 70 West: Kansas City
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left lane.
Toward I 70 West: Kansas City
5
14 mi into trip
|
~20m in
|
I 70
Merge onto I 70
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
8
27.6 mi into trip
|
~37m in
Take the exit toward MO K: O'Fallon, Main Street
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 218
Toward MO K: O'Fallon, Main Street
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Kirkwood, MO and O'Fallon, MO, road signs point toward Saint Louis, Saint Louis Lambert International Airport and Mo K: O'fallon.
Saint Louis
12.2 mi in
|
~17m
Saint Louis Lambert International Airport
12.2 mi in
|
~17m
Mo K: O'fallon
27.6 mi in
|
~37m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 70 | 13.6 mi | 16m |
| I 270 | 8.6 mi | 10m |
| Manchester Road | 1.9 mi | 3m |
| North Geyer Road | 1.1 mi | 2m |
| East Terra Lane | 0.9 mi | 1m |
| South Main Street | 0.5 mi | 1m |
| West Adams Avenue | 0.5 mi | 1m |
Longest stretch:
I 70
— 13.6 mi, about 16m
Turn-by-Turn Driving Directions
Step-by-step road directions between Kirkwood, MO and O'Fallon, MO.
1
Start on West Adams Avenue
0.5 mi
·
1 min
·
West Adams Avenue
2
Turn right onto North Geyer Road
1.1 mi
·
2 min
·
North Geyer Road
3
Turn left onto MO 100
1.9 mi
·
3 min
·
Manchester Road
4
Take the ramp
0.2 mi
·
14 sec
Toward I 270 North
5
Merge onto I 270
8.6 mi
·
10 min
·
I 270
Use the straight lane.
6
Take the exit
1.0 mi
·
1 min
Exit 20A
Toward I 70: Kansas City, Saint Louis, Saint Louis Lambert International Airport
Use the slight right lane.
7
Keep slight left at fork
0.1 mi
·
11 sec
Toward I 70 West: Kansas City
Use the slight left lane.
8
Continue on this road
0.6 mi
·
57 sec
·
this road
Exit 20B
Toward I 70 West: Kansas City
9
Merge onto I 70
14 mi
·
16 min
·
I 70
Use the straight / slight right lanes.
10
Take the exit
390 ft
·
8 sec
Exit 218
Toward MO K: O'Fallon, Main Street
Use the slight right lane.
11
Turn straight onto East Terra Lane
0.9 mi
·
1 min
·
East Terra Lane
Use the straight lane.
12
Turn right onto South Main Street
0.5 mi
·
1 min
·
South Main Street
13
Turn right
25 ft
·
1 sec
14
Arrive at destination
Fuel & Cost
Regular Gas
$4.55 one way
$9.10 round trip
$3.97/gal
25.4 MPG avg
10 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $5.00 | $9.99 |
| premium | $4.89 | $5.60 | $11.20 |
| diesel | $5.61 | $6.42 | $12.85 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 10.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 70% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 8.7 | 0 | $3.06 | $1.40 |
| Efficient EV | 7.3 | 0 | $2.55 | $1.16 |
| EV Truck/SUV | 11.6 | 0 | $4.07 | $1.86 |
Gas CO2
10 kg
EV CO2
3 kg (70% 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
O'Fallon, MO
Evening in O'Fallon on Friday
Local time
8:44 PM
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
Very similar conditions
Both ends of the route are sitting at about the same temperature right now.
Road read
40m 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 Kirkwood, MO to O'Fallon, MO covers 29.1 miles and takes about 40m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 70, I 270, Manchester Road. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 14.5 miles from Kirkwood, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $4.55 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 11 decision points packed into just 29.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 40m.
The main spots that need attention: at 3.6 miles (I 270): Merge point - match speed before joining. Lane positioning matters here; at 12.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 13.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Between Kirkwood, MO and O'Fallon, MO, road signs point toward Saint Louis, Saint Louis Lambert International Airport and Mo K: O'fallon.
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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