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

The driving distance from Eureka, MO to Saint Peters, MO is about 37.7 miles (60.6 km), with a travel time of about 00h 38m by car.

  • The straight-line flight distance is about 20.6 miles (33.1 km).
  • For a round trip, plan for roughly 01h 16m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CST.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
37.66 mi
00h 38m
Flight
20.57 mi
33.11 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Eureka.

Flight Distance

Direct air line
20.57 mi
Kilometers
33.11 km
Flight Time
00h 02m

Driving Distance

Road route
37.66 mi
Kilometers
60.61 km
Drive Time
00h 38m

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 00h 38m.

Arrival Snapshot
Arrive in Saint Peters
Sat, Nov 7, 3:07 PM CST
Return by in Eureka
Sat, Nov 7, 3:45 PM CST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Eureka
2026-11-07T14:29
Arrive Saint Peters
Sat, Nov 7, 3:07 PM CST
Route Timing
00h 38m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CST
Leave when it suits your day
Arrive between
7:38 AM to 7:38 PM CST

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:14 PM CST
Keeps a same-day return open with about 01h 30m at the destination.
Back in Eureka
10:00 PM CST
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

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

Mid-route stop
Lake
MO

Township in Missouri, United States

From Eureka
16 mi
00h 19m
To Saint Peters
21.7 mi
00h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
54°F
Saturday

Mostly Sunny

Starts
Sat, Nov 7 6:00 AM CST
Wind
1 mph NW
Destination
32°F
Overnight

Mostly Clear

Starts
Sat, Nov 7 5:00 AM CST
Wind
1 mph W

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on South Central Avenue

    1339 ft · 47 sec · South Central Avenue

  2. 2

    Turn right onto East 4th Street

    1301 ft · 40 sec · East 4th Street

  3. 3

    Turn left

    77 m · 13 sec

  4. 4

    Take the ramp right toward I 44 East, US 50 East: Saint Louis

    1119 ft · 27 sec

  5. 5

    Merge slight left onto Henry Shaw Ozark Corridor

    7.5 mi · 9 min · Henry Shaw Ozark Corridor

  6. 6

    Take the exit slight right toward MO 141: Valley Park, Fenton

    850 ft · 31 sec

  7. 7

    Turn left

    12.5 mi · 19 min

  8. 8

    Take the exit slight right toward MO 364 West

    1791 ft · 44 sec

  9. 9

    Merge slight left onto Page Avenue

    3.7 mi · 5 min · Page Avenue

  10. 10

    Take the exit slight right toward MO 94 East: St. Charles

    739 ft · 16 sec

  11. 11

    Keep slight left to continue on Muegge Road

    1561 ft · 38 sec

  12. 12

    Continue on Muegge Road

    3 mi · 6 min · Muegge Road

  13. 13

    Continue on Cave Springs Road

    916 ft · 22 sec · Cave Springs Road

  14. 14

    Take the ramp slight left

    1261 ft · 23 sec

  15. 15

    Merge slight left

    3.2 mi · 4 min

  16. 16

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

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.

Directions
16 steps
3 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
42.4 / 100 mi
Decision points by distance
Main Roads
Henry Shaw Ozark Corridor
7.53 mi · 20%
Page Avenue
3.73 mi · 10%
Cave Springs Road
3.57 mi · 9%
Muegge Road
3.28 mi · 9%
MO 364 West
0.34 mi · 1%
South Central Avenue
0.25 mi · 1%
Longest Stretch

Longest stretch

Turn left

12.5 mi · 00h 19m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 38m
Quick drive
Same-Day Return
01h 16m
Round-trip wheel time
Road vs Air
+17.1 mi
20.6 mi direct line
Halfway Stop
Lake
00h 19m from Eureka
Leave By
7:14 PM CST
Flexible departure
Weather Watch

Mostly Sunny leaving Eureka and Mostly Clear near Saint Peters.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 37.7 miles (60.6 km) and usually takes 00h 38m in normal driving conditions.

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

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Lake is a useful midpoint, sitting about 16 miles from Eureka and 21.7 miles from Saint Peters.

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

The direct path is about 20.6 miles (33.1 km), while the road route adds roughly 17.1 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 7:00 AM to 7:00 PM CST. If you want a more comfortable same-day return, try to leave by 7:14 PM CST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.98 one way or $9.96 round trip. Estimated CO2 is about 11.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Eureka and Mostly Clear near Saint Peters.

Stop Ideas Near Lake

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

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

RAIL

Kirkwood

15 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

28 mi away
551 South 16th St.
RAIL

Alton

42 mi away
3400 College Ave.
RAIL

Washington

45 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between Eureka and Saint Peters. Straight-line distance: 20.57 mi (33.11 km).

Photo coming soon

#1 Eureka

Eureka is a place in Missouri, United States.

Population0
Coordinates38.5025500, -90.6279000
Altitude139
CountryUnited States
Saint Peters

#2 Saint Peters

The most populous city in St.

Population58,043
Coordinates38.8003300, -90.6265100
Altitude134
CountryUnited States
Start: South Central Avenue (-90.628009, 38.502555)
End: I 70 West (-90.626511, 38.800311)

Estimated Travel Time

Distance: 61 km by road

SpeedTime
30 mph (48.3 km/h)01h 15m
40 mph (64.37 km/h)00h 56m
50 mph (80.47 km/h)00h 45m
60 mph (96.56 km/h)00h 37m
70 mph (112.65 km/h)00h 32m
80 mph (129 km/h)00h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.33 gal
5.03 L · about $4.98
Round trip
$9.96
2.66 gal · 10.06 L
Estimated CO2
11.8 kg one way
Round trip: 23.6 kg / 52 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.74 $4.98 $9.96
Mid-grade $4.13 $5.49 $10.98
Premium $4.50 $5.98 $11.96
Diesel $5.97 $7.94 $15.88

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 · Nov 07, 2026

There is no time difference between Eureka and Saint Peters. The current time is 14:29:03.

Distance to Other Cities

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