How far is Saint Peters, MO from Bethany, MO?

The driving distance from Saint Peters, MO to Bethany, MO is about 208.7 miles (335.8 km), with a travel time of about 04h 09m by car.

  • The straight-line flight distance is about 154.2 miles (248.2 km).
  • For a round trip, plan for roughly 08h 18m 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
208.65 mi
04h 09m
Flight
154.26 mi
248.25 km direct

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

Learn Distance

Choose another destination from Saint Peters.

Flight Distance

Direct air line
154.26 mi
Kilometers
248.25 km
Flight Time
00h 18m

Driving Distance

Road route
208.65 mi
Kilometers
335.79 km
Drive Time
04h 09m

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 04h 09m.

Arrival Snapshot
Arrive in Bethany
Wed, Apr 15, 1:09 AM CDT
Return by in Saint Peters
Wed, Apr 15, 5:18 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Peters
2026-04-14T21:00
Arrive Bethany
Wed, Apr 15, 1:09 AM CDT
Route Timing
04h 09m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
10:09 AM to 12:09 PM CDT

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

Leave by
8:42 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Saint Peters
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
Perryville
MO

City in Missouri, United States

From Saint Peters
104.3 mi
02h 04m
To Bethany
104.3 mi
02h 04m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Tuesday

Chance Showers And Thunderstorms then Showers And Thunderstorms Likely

Starts
Tue, Apr 14 6:00 AM CDT
Wind
15 mph SW
Destination
84°F
Tuesday

Partly Sunny then Slight Chance Showers And Thunderstorms

Starts
Tue, Apr 14 6:00 AM CDT
Wind
15 to 20 mph SSW

Driving Route Map

The map below follows the saved road route between Saint Peters and Bethany.

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Peters and Bethany.

  1. 1

    Start on the route

    1.2 mi · 1 min

  2. 2

    Take the exit slight right toward MO 79: Elsberry, Louisiana

    725 ft · 15 sec

  3. 3

    Keep slight left to continue on MO 79

    117 m · 15 sec

  4. 4

    Turn left

    652 ft · 11 sec

  5. 5

    Take the ramp slight right toward I 70 East

    1294 ft · 19 sec

  6. 6

    Merge slight left

    11.9 mi · 15 min

  7. 7

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

    872 ft · 12 sec

  8. 8

    Keep slight right to continue on I 270 South: Memphis

    2339 ft · 33 sec

  9. 9

    Continue on I 270 South: Memphis

    723 ft · 10 sec

  10. 10

    Merge slight left

    19 mi · 24 min

  11. 11

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

    1911 ft · 27 sec

  12. 12

    Keep slight right to continue on I 55 South: Memphis

    2031 ft · 44 sec

  13. 13

    Merge slight left onto Rosa Parks Highway

    1.5 mi · 2 min · Rosa Parks Highway

  14. 14

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

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

  15. 15

    Continue on Police Officer Steven Jarvis Memorial Highway

    126.7 mi · 2 hr 16 min · Police Officer Steven Jarvis Memorial Highway

  16. 16

    Take the exit slight right toward US 60 West: Dexter, Poplar Bluff

    2865 ft · 1 min

  17. 17

    Merge slight left

    22.6 mi · 26 min

  18. 18

    Take the exit slight right toward MO 25, US 60 Business: Dexter, Bloomfield

    1579 ft · 41 sec

  19. 19

    Turn left

    10.6 mi · 16 min

  20. 20

    Turn right onto West Main Avenue

    6.7 mi · 12 min · West Main Avenue

  21. 21

    Turn left

    3 mi · 7 min

  22. 22

    Turn left onto County Road 102

    1.3 km · 3 min · County Road 102

  23. 23

    Arrive at your destination

    0 m · 1 sec · County Road 102

Car Route Details

A richer read on the saved driving route between Saint Peters and Bethany.

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
23 steps
5 turns on the saved route
Ramps & Exits
10
4 merges, 6 ramps or exits
Navigation Density
11 / 100 mi
Decision points by distance
Main Roads
Police Officer Steven Jarvis Memorial Highway
127 mi · 61%
US 60 West
23.1 mi · 11%
I 270 South
19.6 mi · 9%
I 70 East
12.1 mi · 6%
West Main Avenue
6.71 mi · 3%
Rosa Parks Highway
1.51 mi · 1%
Longest Stretch

Police Officer Steven Jarvis Memorial Highway

Continue on Police Officer Steven Jarvis Memorial Highway

127 mi · 02h 16m

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
04h 09m
Long day trip
Same-Day Return
08h 18m
Round-trip wheel time
Road vs Air
+54.5 mi
154.2 mi direct line
Halfway Stop
Perryville
02h 04m from Saint Peters
Leave By
8:42 AM CDT
Early departure recommended
Weather Watch

Chance Showers And Thunderstorms then Showers And Thunderstorms Likely leaving Saint Peters and Partly Sunny then Slight Chance Showers And Thunderstorms near Bethany.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Peters to Bethany?

The road trip is about 208.7 miles (335.8 km) and usually takes 04h 09m 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?

Perryville is a useful midpoint, sitting about 104.3 miles from Saint Peters and 104.3 miles from Bethany.

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

The direct path is about 154.2 miles (248.2 km), while the road route adds roughly 54.5 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 8:42 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $27.75 one way or $55.51 round trip. Estimated CO2 is about 65.4 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms then Showers And Thunderstorms Likely around Saint Peters and Partly Sunny then Slight Chance Showers And Thunderstorms near Bethany.

Stop Ideas Near Perryville

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

Mid-route Guidance
Local place coverage is thin around Perryville, 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 Perryville.

RAIL

Carbondale station

57 mi away
401 South Illinois St.
RAIL

Du Quoin

63 mi away
20 North Chestnut St.
BUS

Marion, IL

80 mi away
2100 West Main Street
BUS

Vienna, IL

92 mi away
504 West Vine Street

Flight Path Map

This map shows the direct air route between Saint Peters and Bethany. Straight-line distance: 154.26 mi (248.25 km).

Saint Peters

#1 Saint Peters

The most populous city in St.

Population58,043
Coordinates38.8003300, -90.6265100
Altitude134
CountryUnited States
Bethany

#2 Bethany

City in Missouri, United States

Population3,049
Coordinates36.6117200, -90.0692600
Altitude135
CountryUnited States
Start: Saint Peters (-90.62651, 38.80033)
End: Bethany (-90.06926, 36.61172)

Estimated Travel Time

Distance: 336 km by road

SpeedTime
30 mph (48.3 km/h)06h 57m
40 mph (64.37 km/h)05h 12m
50 mph (80.47 km/h)04h 10m
60 mph (96.56 km/h)03h 28m
70 mph (112.65 km/h)02h 58m
80 mph (129 km/h)02h 36m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.36 gal
27.87 L · about $27.75
Round trip
$55.51
14.72 gal · 55.74 L
Estimated CO2
65.4 kg one way
Round trip: 130.8 kg / 288 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $27.75 $55.51
Mid-grade $4.25 $31.30 $62.60
Premium $4.65 $34.25 $68.51
Diesel $5.30 $39.04 $78.07

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 15, 2026

There is no time difference between Saint Peters and Bethany. The current time is 21:00:43.

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.