How far is O'Fallon, MO from Hayti, MO?

The driving distance from O'Fallon, MO to Hayti, MO is about 214 miles (344.4 km), with a travel time of about 03h 59m by car.

  • The straight-line flight distance is about 185.5 miles (298.5 km).
  • For a round trip, plan for roughly 07h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
214.02 mi
03h 59m
Flight
185.5 mi
298.54 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from O'Fallon.

Flight Distance

Direct air line
185.5 mi
Kilometers
298.54 km
Flight Time
00h 22m

Driving Distance

Road route
214.02 mi
Kilometers
344.43 km
Drive Time
03h 59m

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 03h 59m.

Arrival Snapshot
Arrive in Hayti
Tue, May 12, 11:25 PM CDT
Return by in O'Fallon
Wed, May 13, 3:24 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave O'Fallon
2026-05-12T19:26
Arrive Hayti
Tue, May 12, 11:25 PM CDT
Route Timing
03h 59m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
9:59 AM to 11:59 AM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:02 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in O'Fallon
9:00 PM CDT
Early departure recommended

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Longtown
MO

Village in the United States

From O'Fallon
107.1 mi
01h 59m
To Hayti
106.9 mi
01h 59m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
5 to 14 mph SW
Destination
53°F
Overnight

Clear

Starts
Tue, May 12 12:00 AM CDT
Wind
0 mph

Driving Route Map

The map below follows the saved road route between O'Fallon and Hayti.

Turn-by-Turn Driving Directions

Step-by-step road directions between O'Fallon and Hayti.

  1. 1

    Start on the route

    8 m · 7 sec

  2. 2

    Turn left onto South Main Street

    3116 ft · 2 min · South Main Street

  3. 3

    Turn left onto Drennen Parkway

    1.4 km · 1 min · Drennen Parkway

  4. 4

    Take the ramp slight left toward I 70 East: Saint Louis

    133 m · 6 sec

  5. 5

    Merge slight left

    13.5 mi · 17 min

  6. 6

    Take the exit slight right toward I 270: Chicago, Memphis

    872 ft · 12 sec

  7. 7

    Keep slight right to continue on I 270 South: Memphis

    2339 ft · 33 sec

  8. 8

    Continue on I 270 South: Memphis

    723 ft · 10 sec

  9. 9

    Merge slight left

    19 mi · 24 min

  10. 10

    Take the exit slight right toward I 55, US 61, US 67: Saint Louis, Memphis, Lemay Ferry Road

    1911 ft · 27 sec

  11. 11

    Keep slight right to continue on I 55 South: Memphis

    2031 ft · 44 sec

  12. 12

    Merge slight left onto Rosa Parks Highway

    1.5 mi · 2 min · Rosa Parks Highway

  13. 13

    Continue on Officer Thomas G. Smith, Jr. Memorial Highway

    1.8 mi · 2 min · Officer Thomas G. Smith, Jr. Memorial Highway

  14. 14

    Continue on Police Officer Steven Jarvis Memorial Highway

    173.9 mi · 3 hr 6 min · Police Officer Steven Jarvis Memorial Highway

  15. 15

    Take the exit slight right toward MO 84: Hayti, Caruthersville

    1096 ft · 27 sec

  16. 16

    Turn right

    1.6 km · 2 min

  17. 17

    Turn left onto South 3rd Street

    33 m · 5 sec · South 3rd Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · South 3rd Street

Car Route Details

A richer read on the saved driving route between O'Fallon and Hayti.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
18 steps
4 turns on the saved route
Ramps & Exits
7
3 merges, 4 ramps or exits
Navigation Density
8.4 / 100 mi
Decision points by distance
Main Roads
Police Officer Steven Jarvis Memorial Highway
174 mi · 81%
I 270 South
19.6 mi · 9%
I 70 East
13.6 mi · 6%
Rosa Parks Highway
1.51 mi · 1%
Officer Thomas G. Smith, Jr. Memorial Highway
0.92 mi
Officer Thomas G. Smith
0.92 mi
Longest Stretch

Police Officer Steven Jarvis Memorial Highway

Continue on Police Officer Steven Jarvis Memorial Highway

174 mi · 03h 06m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
03h 59m
Long day trip
Same-Day Return
07h 58m
Round-trip wheel time
Road vs Air
+28.5 mi
185.5 mi direct line
Halfway Stop
Longtown
01h 59m from O'Fallon
Leave By
9:02 AM CDT
Early departure recommended
Weather Watch

Sunny leaving O'Fallon and Clear near Hayti.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from O'Fallon to Hayti?

The road trip is about 214 miles (344.4 km) and usually takes 03h 59m in normal driving conditions.

Is this a same-day trip or an overnight route?

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Longtown is a useful midpoint, sitting about 107.1 miles from O'Fallon and 106.9 miles from Hayti.

How much longer is the road route than the straight-line distance?

The direct path is about 185.5 miles (298.5 km), while the road route adds roughly 28.5 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 9:02 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $28.47 one way or $56.94 round trip. Estimated CO2 is about 67.1 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around O'Fallon and Clear near Hayti.

Stop Ideas Near Longtown

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Longtown, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Longtown.

RAIL

Carbondale station

49 mi away
401 South Illinois St.
RAIL

Du Quoin

60 mi away
20 North Chestnut St.
BUS

Marion, IL

73 mi away
2100 West Main Street
BUS

Vienna, IL

82 mi away
504 West Vine Street

Flight Path Map

This map shows the direct air route between O'Fallon and Hayti. Straight-line distance: 185.5 mi (298.54 km).

O'Fallon

#1 O'Fallon

The most populous city in St.

Population89,769
Coordinates38.8106100, -90.6998500
Altitude165
CountryUnited States
Hayti

#2 Hayti

City in Missouri, USA

Population2,467
Coordinates36.2336800, -89.7495300
Altitude82
CountryUnited States
Start: O'Fallon (-90.69985, 38.81061)
End: Hayti (-89.74953, 36.23368)

Estimated Travel Time

Distance: 344 km by road

SpeedTime
30 mph (48.3 km/h)07h 07m
40 mph (64.37 km/h)05h 21m
50 mph (80.47 km/h)04h 16m
60 mph (96.56 km/h)03h 34m
70 mph (112.65 km/h)03h 03m
80 mph (129 km/h)02h 40m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.55 gal
28.59 L · about $28.47
Round trip
$56.94
15.1 gal · 57.18 L
Estimated CO2
67.1 kg one way
Round trip: 134.2 kg / 296 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $28.47 $56.94
Mid-grade $4.25 $32.11 $64.22
Premium $4.65 $35.14 $70.28
Diesel $5.30 $40.05 $80.09

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 · May 13, 2026

There is no time difference between O'Fallon and Hayti. The current time is 19:26:22.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.