How far is New Haven, MO from O'Fallon, MO?
The driving distance from New Haven, MO to O'Fallon, MO is about 49.1 miles (79 km), with a travel time of about 01h 01m by car.
- The straight-line flight distance is about 31.3 miles (50.3 km).
- For a round trip, plan for roughly 02h 02m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 01h 01m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Saint Charles County, Missouri, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Mostly Sunny
Driving Route Map
The map below follows the saved road route between New Haven and O'Fallon.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Haven and O'Fallon.
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1
Start on Maupin Avenue
2804 ft · 1 min · Maupin Avenue
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2
At the end of the road, turn left
12.4 mi · 17 min
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3
Turn left onto Jefferson Street
1187 ft · 37 sec · Jefferson Street
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4
Turn right onto East 14th Street
2969 ft · 1 min · East 14th Street
-
5
Turn left onto Franklin Avenue
4 mi · 7 min · Franklin Avenue
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6
Turn right
1.2 km · 2 min
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7
Continue straight
3.5 mi · 6 min
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8
At the end of the road, turn left
3.1 mi · 4 min
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9
Continue straight
4.9 mi · 7 min
-
10
Turn left
7.2 mi · 11 min
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11
Take the ramp right toward I 70 East, US 40 East: Saint Louis
959 ft · 13 sec
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12
Merge slight left onto Dwight D Eisenhower Highway
7.8 mi · 9 min · Dwight D Eisenhower Highway
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13
Take the exit slight right toward MO K: O'Fallon
1765 ft · 43 sec
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14
Turn straight onto Drennen Parkway
46 m · 3 sec · Drennen Parkway
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15
Keep slight right to continue on Drennen Parkway
51 m · 6 sec · Drennen Parkway
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16
Turn slight left onto MO K: O'Fallon
19 m · 3 sec
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17
Continue on South Main Street
3115 ft · 2 min · South Main Street
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18
Turn right
8 m · 2 sec
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19
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between New Haven and O'Fallon.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Longest stretch
At the end of the road, turn left
12.4 mi · 00h 17m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny then Slight Chance Showers And Thunderstorms leaving New Haven and Mostly Sunny near O'Fallon.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from New Haven to O'Fallon?
The road trip is about 49.1 miles (79 km) and usually takes 01h 01m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
New Melle is a useful midpoint, sitting about 23.1 miles from New Haven and 26 miles from O'Fallon.
How much longer is the road route than the straight-line distance?
The direct path is about 31.3 miles (50.3 km), while the road route adds roughly 17.8 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 4:28 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.52 one way or $13.05 round trip. Estimated CO2 is about 15.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around New Haven and Mostly Sunny near O'Fallon.
Stop Ideas Near New Melle
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall Park
Wentzville City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to New Melle.
Washington
Kirkwood
Hermann
Gateway Transportation Center
Flight Path Map
This map shows the direct air route between New Haven and O'Fallon. Straight-line distance: 31.29 mi (50.35 km).
#1 New Haven
Town in Missouri
| Population | 2,076 |
| Coordinates | 38.6083800, -91.2190400 |
| Altitude | 206 |
| Country | United States |
#2 O'Fallon
The most populous city in St.
| Population | 89,769 |
| Coordinates | 38.8106100, -90.6998500 |
| Altitude | 165 |
| Country | United States |
End: (-90.699849, 38.810674)
Estimated Travel Time
Distance: 79 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 38m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.52 | $13.05 |
| Mid-grade | $4.25 | $7.36 | $14.72 |
| Premium | $4.65 | $8.05 | $16.10 |
| Diesel | $5.30 | $9.18 | $18.35 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Missouri · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.