The drive from Hallsville, MO to O'Fallon, MO covers 101.7 miles and takes about 2h 5m behind the wheel.
This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Dwight D. Eisenhower Highway, MO B, US 63 for much of the mileage,
and the overall profile is turn-heavy local drive.
The longest uninterrupted segment is about 88.2 miles on Dwight D. Eisenhower Highway.
At current regular gas prices, budget about $15.10 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Midpoint
50.8 miles from Hallsville, MO
A natural place for your longest stop of the day
, about 1h 3m into the drive
.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 2h 5m. Total distance: 101.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
2h 5m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (2%). Some complex stretches to watch for.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Drive Character
Expect a 2h 5m drive with frequent turns across 101.7 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Dwight D. Eisenhower Highway is the longest continuous segment at about 88.2 miles.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. You will hit about 10 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near MO B.
Driving Effort5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 101.7 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (MO B): Navigation decision point; at 11.3 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 12.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Critical Maneuvers
5 of 10 key points
These are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip|~0m in|MO B
Turn right onto MO B
Navigation decision point
5
11.3 mi into trip|~16m in
Take the exit toward MO PP, I 70, US 40: Kansas City, Saint Louis
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward MO PP, I 70, US 40: Kansas City, Saint L...
8
12.2 mi into trip|~18m in
Take the exit toward I 70 East, US 40 East: Saint Louis
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the left lane.
Toward I 70 East, US 40 East: Saint Louis
6
100.7 mi into trip|~2h 2m in
Take the exit toward MO K: O'Fallon
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the straight / slight right lanes.
Toward MO K: O'Fallon
6
101 mi into trip|~2h 3m in|Drennen Parkway
Keep slight right at fork onto Drennen Parkway toward MO K: O'Fallon
Highway fork - watch signs carefully
Toward MO K: O'Fallon
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 Hallsville, MO to O'Fallon, MO, road signs begin pointing toward Saint Louis along the way.
Saint Louis
11.3 mi in|~16m
Main Roads
Road
Distance
Duration
Dwight D. Eisenhower Highway
88.2 mi
1h 44m
MO B
10 mi
14m
US 63
1.1 mi
1m
South Main Street
0.6 mi
1m
US 63 Conn
0.4 mi
<1m
Drennen Parkway
<0.1 mi
<1m
MO 124
<0.1 mi
<1m
Longest stretch:
Dwight D. Eisenhower Highway
— 88.2 mi, about 1h 44m
Turn-by-Turn Driving Directions
Step-by-step road directions between Hallsville, MO and O'Fallon, MO.
1
Start on MO 124
15 ft·6 sec·MO 124
2
Turn right onto MO B
10 mi·14 min·MO B
3
Take the ramp
0.2 mi·20 sec
Toward US 63 South: Jefferson City
4
Merge onto US 63
1.1 mi·1 min·US 63
5
Take the exit
0.5 mi·56 sec
Toward MO PP, I 70, US 40: Kansas City, Saint Louis
6
Turn straight onto US 63 Conn
0.4 mi·54 sec·US 63 Conn
Use the straight lane.
7
Take the exit
0.2 mi·31 sec
Toward I 70 East, US 40 East: Saint LouisUse the left lane.
8
Continue on I 70; US 40
88 mi·1 hr 44 min·Dwight D. Eisenhower Highway
Use the straight / slight right lanes.
9
Take the exit
0.3 mi·43 sec
Toward MO K: O'FallonUse the straight / slight right lanes.
10
Turn straight onto Drennen Parkway
150 ft·3 sec·Drennen Parkway
Toward MO K: O'Fallon
11
Keep slight right at fork onto Drennen Parkway
166 ft·5 sec·Drennen Parkway
Toward MO K: O'Fallon
12
Turn slight left
62 ft·2 sec
Toward MO K: O'Fallon
13
Continue on South Main Street
0.6 mi·1 min·South Main Street
14
Turn right
25 ft·1 sec
15
Arrive at destination
Trip Plan
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 50.8 miles from Hallsville, MO, or about 1h 3m into the drive.
The longest continuous stretch on this route runs about 88.2 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 22 miles or 29m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 50.8 miles or 1h 3m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 1h 42m
Traffic, exits, and arrival timing usually matter more near O'Fallon, MO than in the middle of the route.
Before You Leave
+
Open the route before leaving Hallsville, MO so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Hallsville, MO
This is one driving day of about 101.7 miles and 2h 5m.
Your first comfortable stop window is around 22 miles from Hallsville, MO.
This route can stay practical as a one-day drive if traffic stays reasonable.
The longest stretch is on Dwight D. Eisenhower Highway for about 88.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 50.8 mi from Hallsville, MO
· 1h 3m into the drive
Station data from NREL Alternative Fuel Stations database.
Driving Electric?
About $11 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
30.5
0
$10.68
$4.88
Efficient EV
25.4
0
$8.90
$4.07
EV Truck/SUV
40.7
0
$14.24
$6.51
Gas CO2
36 kg
EV CO2
12 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.
Forecast as of Apr 15, 2026
Origin
Hallsville, MO
Morning
in Hallsville on Saturday
Local time
6:35 AM
CDT
Current temp
56°F
Unavailable
Live forecast
Destination
O'Fallon, MO
Morning
in O'Fallon on Saturday
Local time
6:35 AM
CDT
Current temp
57°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
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
1 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
2h 5m 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 Hallsville, MO to O'Fallon, MO covers 101.7 miles and takes about 2h 5m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Dwight D. Eisenhower Highway, MO B, US 63. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 50.8 miles from Hallsville, MO. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $15.10 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 drive requires moderate attention. Across 101.7 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: near the start (MO B): Navigation decision point; at 11.3 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one; at 12.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
On the drive from Hallsville, MO to O'Fallon, MO, road signs begin pointing toward Saint Louis along the way.
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, NREL for EV charging, and NPS for national parks. See our methodology for refresh cadence and limitations.
