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

The driving distance from Saint Peters, MO to Hazelwood, MO is about 18.8 miles (30.2 km), with a travel time of about 00h 25m by car.

  • The straight-line flight distance is about 13.9 miles (22.4 km).
  • For a round trip, plan for roughly 00h 51m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
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
18.78 mi
00h 25m
Flight
13.91 mi
22.38 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Saint Peters.

Flight Distance

Direct air line
13.91 mi
Kilometers
22.38 km
Flight Time
00h 01m

Driving Distance

Road route
18.78 mi
Kilometers
30.22 km
Drive Time
00h 25m

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 25m.

Arrival Snapshot
Arrive in Hazelwood
Tue, May 12, 8:04 PM CDT
Return by in Saint Peters
Tue, May 12, 8:29 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Peters
2026-05-12T19:38
Arrive Hazelwood
Tue, May 12, 8:04 PM CDT
Route Timing
00h 25m
One way by road
Best Departure Window
7:00 AM to 7:00 PM CDT
Leave when it suits your day
Arrive between
7:26 AM to 7:26 PM CDT

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

Leave by
7:38 PM CDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Saint Peters
10:00 PM CDT
Flexible departure

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
Saint Charles
MO

A city in St.

From Saint Peters
9.4 mi
00h 12m
To Hazelwood
9.4 mi
00h 12m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
81°F
Tuesday

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

Starts
Tue, May 12 6:00 AM CDT
Wind
9 to 14 mph SW
Destination
83°F
Tuesday

Sunny

Starts
Tue, May 12 6:00 AM CDT
Wind
6 to 15 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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 left to continue on I 270 North: Chicago

    2556 ft · 36 sec

  9. 9

    Continue on I 270 North: Chicago

    1270 ft · 18 sec

  10. 10

    Keep slight left to continue on I 270 North: Chicago

    988 ft · 14 sec

  11. 11

    Merge slight left

    2.4 mi · 3 min

  12. 12

    Take the exit slight right toward McDonnell Boulevard

    1661 ft · 35 sec

  13. 13

    Keep slight right to continue on McDonnell Boulevard South

    122 m · 10 sec

  14. 14

    Turn straight onto McDonnell Boulevard

    2377 ft · 48 sec · McDonnell Boulevard

  15. 15

    Continue on James S McDonnell Boulevard

    1701 ft · 37 sec · James S McDonnell Boulevard

  16. 16

    Turn left onto Fee Fee Road

    1550 ft · 1 min · Fee Fee Road

  17. 17

    Turn right onto Chapel Ridge Drive

    1163 ft · 51 sec · Chapel Ridge Drive

  18. 18

    Arrive at your destination

    0 m · 1 sec · Chapel Ridge Drive

Car Route Details

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

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
18 steps
4 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
95.7 / 100 mi
Decision points by distance
Main Roads
I 70 East
12.1 mi · 64%
I 270 North
3.35 mi · 18%
McDonnell Boulevard
0.76 mi · 4%
James S McDonnell Boulevard
0.32 mi · 2%
Fee Fee Road
0.29 mi · 2%
Chapel Ridge Drive
0.22 mi · 1%
Longest Stretch

I 70 East

Merge slight left

11.9 mi · 00h 15m

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 25m
Quick drive
Same-Day Return
00h 52m
Round-trip wheel time
Road vs Air
+4.9 mi
13.9 mi direct line
Halfway Stop
Saint Charles
00h 12m from Saint Peters
Leave By
7:38 PM CDT
Flexible departure
Weather Watch

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms leaving Saint Peters and Sunny near Hazelwood.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 18.8 miles (30.2 km) and usually takes 00h 25m 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?

Saint Charles is a useful midpoint, sitting about 9.4 miles from Saint Peters and 9.4 miles from Hazelwood.

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

The direct path is about 13.9 miles (22.4 km), while the road route adds roughly 4.9 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 CDT. If you want a more comfortable same-day return, try to leave by 7:38 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.49 one way or $4.98 round trip. Estimated CO2 is about 5.9 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms around Saint Peters and Sunny near Hazelwood.

Stop Ideas Near Saint Charles

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Saint Charles and the surrounding midpoint area.
City Hall Park
Scenic stop 12.9 mi away

City Hall Park

Dardenne Prairie , MO
Dardenne Prairie, MO 63368
Rating 4.8/5 294 reviews Tourist attraction,Park
Jennings City Hall
Meeting point 14.5 mi away

Jennings City Hall

Jennings , MO
2120 Hord Ave, Jennings, MO 63136
Rating 4.3/5 26 reviews City Hall
Ferguson Finance Director
Nearby stop 11.6 mi away

Ferguson Finance Director

Ferguson , MO
110 Church St, Ferguson, MO 63135
Rating 5.0/5 1 reviews City tax office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Saint Charles.

RAIL

Kirkwood

23 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

30 mi away
551 South 16th St.
RAIL

Alton

33 mi away
3400 College Ave.
RAIL

Washington

52 mi away
301 West Front St.

Flight Path Map

This map shows the direct air route between Saint Peters and Hazelwood. Straight-line distance: 13.91 mi (22.38 km).

Saint Peters

#1 Saint Peters

The most populous city in St.

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

#2 Hazelwood

Suburb city of St.

Population25,042
Coordinates38.7714400, -90.3709500
Altitude171
CountryUnited States
Start: Saint Peters (-90.62651, 38.80033)
End: Hazelwood (-90.37095, 38.77144)

Estimated Travel Time

Distance: 30 km by road

SpeedTime
30 mph (48.3 km/h)00h 37m
40 mph (64.37 km/h)00h 28m
50 mph (80.47 km/h)00h 22m
60 mph (96.56 km/h)00h 18m
70 mph (112.65 km/h)00h 16m
80 mph (129 km/h)00h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.66 gal
2.51 L · about $2.49
Round trip
$4.98
1.32 gal · 5.02 L
Estimated CO2
5.9 kg one way
Round trip: 11.7 kg / 26 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $2.49 $4.98
Mid-grade $4.25 $2.81 $5.61
Premium $4.65 $3.07 $6.14
Diesel $5.30 $3.50 $7.00

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 Saint Peters and Hazelwood. The current time is 19:38:11.

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.