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

The driving distance from Belle, MO to Saint Peters, MO is about 103.8 miles (167 km), with a travel time of about 01h 53m by car.

  • The straight-line flight distance is about 69 miles (111 km).
  • For a round trip, plan for roughly 03h 46m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
103.77 mi
01h 53m
Flight
68.98 mi
111.01 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Belle.

Flight Distance

Direct air line
68.98 mi
Kilometers
111.01 km
Flight Time
00h 08m

Driving Distance

Road route
103.77 mi
Kilometers
167 km
Drive Time
01h 53m

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 53m.

Arrival Snapshot
Arrive in Saint Peters
Sat, May 30, 12:15 PM CDT
Return by in Belle
Sat, May 30, 2:09 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Belle
2026-05-30T10:22
Arrive Saint Peters
Sat, May 30, 12:15 PM CDT
Route Timing
01h 53m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
9:53 AM to 11:53 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:44 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Belle
9:30 PM CDT
Morning start is best

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
Union
MO

City in and county seat of Franklin County, Missouri, United States

From Belle
44.1 mi
00h 56m
To Saint Peters
59.7 mi
00h 56m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
80°F
Saturday

Chance Rain Showers then Slight Chance Showers And Thunderstorms

Starts
Sat, May 30 6:00 AM CDT
Wind
6 mph E
Destination
82°F
Saturday

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

Starts
Sat, May 30 6:00 AM CDT
Wind
2 to 7 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    42 m · 8 sec

  2. 2

    Turn left onto South Alvarado Avenue

    104 m · 11 sec · South Alvarado Avenue

  3. 3

    Turn left onto 5th Street

    71 m · 11 sec · 5th Street

  4. 4

    Turn left

    5.7 mi · 9 min

  5. 5

    Keep slight left

    13.7 mi · 20 min

  6. 6

    Turn right

    24.9 mi · 30 min

  7. 7

    Turn left

    11.1 mi · 17 min

  8. 8

    Turn right

    1.2 km · 2 min

  9. 9

    Continue straight

    3.5 mi · 6 min

  10. 10

    At the end of the road, turn left

    3.1 mi · 4 min

  11. 11

    Continue straight

    4.9 mi · 7 min

  12. 12

    Turn left

    7.2 mi · 11 min

  13. 13

    Take the ramp right toward I 70 East, US 40 East: Saint Louis

    959 ft · 13 sec

  14. 14

    Merge slight left onto Dwight D Eisenhower Highway

    12.3 mi · 15 min · Dwight D Eisenhower Highway

  15. 15

    Take the exit slight right toward Mid Rivers Mall Drive

    889 ft · 19 sec

  16. 16

    Keep slight left to continue on Mid Rivers Mall Drive

    63 m · 4 sec

  17. 17

    Turn straight onto Mid Rivers Mall Drive

    61 m · 6 sec · Mid Rivers Mall Drive

  18. 18

    Take the ramp straight toward I 70 West: Wentzville

    1419 ft · 20 sec

  19. 19

    Merge slight left

    146 m · 7 sec

  20. 20

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
20 steps
9 turns on the saved route
Ramps & Exits
5
2 merges, 3 ramps or exits
Navigation Density
19.3 / 100 mi
Decision points by distance
Main Roads
5th Street
22.2 mi · 21%
Dwight D Eisenhower Highway
12.3 mi · 12%
I 70 West
0.36 mi
Mid Rivers Mall Drive
0.25 mi
I 70 East
0.18 mi
South Alvarado Avenue
0.06 mi
Longest Stretch

Longest stretch

Turn right

24.9 mi · 00h 30m

Route Summary

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

Trip Read

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.

Drive Time
01h 53m
Day trip friendly
Same-Day Return
03h 46m
Round-trip wheel time
Road vs Air
+34.8 mi
69 mi direct line
Halfway Stop
Union
00h 56m from Belle
Leave By
2:44 PM CDT
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 103.8 miles (167 km) and usually takes 01h 53m 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?

Union is a useful midpoint, sitting about 44.1 miles from Belle and 59.7 miles from Saint Peters.

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

The direct path is about 69 miles (111 km), while the road route adds roughly 34.8 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 2:44 PM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $13.80 one way or $27.60 round trip. Estimated CO2 is about 32.5 kg one way.

What should you check before leaving?

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

Stop Ideas Near Union

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

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

RAIL

Washington

12 mi away
301 West Front St.
RAIL

Hermann

47 mi away
Wharf & Gutenberg Sts.
RAIL

Kirkwood

54 mi away
110 West Argonne Dr.
RAIL

Gateway Transportation Center

72 mi away
551 South 16th St.

Flight Path Map

This map shows the direct air route between Belle and Saint Peters. Straight-line distance: 68.98 mi (111.01 km).

Belle

#1 Belle

City in Missouri, United States

Population1,489
Coordinates38.2858800, -91.7204400
Altitude313
CountryUnited States
Saint Peters

#2 Saint Peters

The most populous city in St.

Population58,043
Coordinates38.8003300, -90.6265100
Altitude134
CountryUnited States
Start: (-91.720521, 38.286017)
End: I 70 West (-90.626511, 38.800311)

Estimated Travel Time

Distance: 167 km by road

SpeedTime
30 mph (48.3 km/h)03h 27m
40 mph (64.37 km/h)02h 35m
50 mph (80.47 km/h)02h 04m
60 mph (96.56 km/h)01h 43m
70 mph (112.65 km/h)01h 28m
80 mph (129 km/h)01h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.66 gal
13.86 L · about $13.80
Round trip
$27.60
7.32 gal · 27.72 L
Estimated CO2
32.5 kg one way
Round trip: 65.1 kg / 144 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $13.80 $27.60
Mid-grade $4.25 $15.57 $31.13
Premium $4.65 $17.03 $34.07
Diesel $5.30 $19.41 $38.83

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 30, 2026

There is no time difference between Belle and Saint Peters. The current time is 10:22:37.

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.