Origin
Sullivan, MO
Morning in Sullivan on Tuesday
Local time
7:41 AM
CDT
Current temp
53°F
Unavailable
Live forecast
Trip from Sullivan, MO to Saint Peters, MO
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
1h 27m
Distance
63.2 mi
102 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$10
one way
EV Charging
Unknown
Best Time to Leave
4 AM
1h 21m
★
6 AM
1h 28m
8 AM
1h 41m
10 AM
1h 32m
12 PM
1h 31m
3 PM
1h 33m
5 PM
1h 40m
8 PM
1h 24m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Sullivan, MO
Chris Duan
Saint Peters, MO
Wikimedia Commons
Trip Overview
This 63.2-mile drive from Sullivan to Saint Peters, Missouri, is easily manageable as a single-day trip, taking about 1 hour and 27 minutes to complete. You'll primarily be on I-44, with some time on Manchester Road and MO 109, covering 56% of the journey on highways. With an estimated fuel cost of just $10, this is an economical option for exploring the Midwest. The mixed drive profile suggests a straightforward journey, perfect for a quick transition between these two Missouri towns. You won't need to worry about breaking this up overnight; it's a comfortable distance for a single push.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 44 | 27.1 mi | 29m |
| Manchester Road | 13.4 mi | 18m |
| MO 109 | 4.9 mi | 7m |
| Mid Rivers Mall Drive | 4.7 mi | 9m |
| MO 94 | 3.4 mi | 4m |
| Avenue of the Saints | 2.7 mi | 3m |
| South Eatherton Road | 2.4 mi | 4m |
| Olive Street Road | 0.9 mi | 1m |
Longest stretch:
I 44
— 27.1 mi, about 29m
Turn-by-Turn Driving Directions
Step-by-step road directions between Sullivan, MO and Saint Peters, MO.
1
Start on this road
55 ft
·
6 sec
·
this road
2
Turn right onto West Washington Street
115 ft
·
3 sec
·
West Washington Street
3
Enter roundabout onto West Vine Street
176 ft
·
6 sec
·
West Vine Street
4
Continue on West Vine Street
0.1 mi
·
22 sec
·
West Vine Street
5
Turn left onto South Church Street
0.4 mi
·
56 sec
·
South Church Street
6
At end of road, turn right onto US Historic 66
0.8 mi
·
1 min
·
West Springfield Road
7
Turn left onto MO 185
0.2 mi
·
23 sec
·
MO 185
8
Take the ramp
0.2 mi
·
20 sec
Toward I 44 East: Saint Louis
9
Merge onto I 44
27 mi
·
29 min
·
I 44
10
Take the exit
0.2 mi
·
27 sec
Exit 253
Toward I 44 Business, MO 100 East: Gray Summit
Use the slight right lane.
11
Turn left onto MO 100
13 mi
·
18 min
·
Manchester Road
Use the straight lane.
12
Take the exit
0.2 mi
·
30 sec
Toward MO 109
13
Enter roundabout onto MO 109
224 ft
·
4 sec
·
MO 109
14
Continue on MO 109
515 ft
·
10 sec
·
MO 109
15
Enter roundabout onto MO 109
98 ft
·
1 sec
·
MO 109
16
Continue on MO 109
0.4 mi
·
45 sec
·
MO 109
17
Enter roundabout onto MO 109
94 ft
·
2 sec
·
MO 109
18
Continue on MO 109
4.3 mi
·
6 min
·
MO 109
19
Enter roundabout onto South Eatherton Road
94 ft
·
1 sec
·
South Eatherton Road
20
Continue on South Eatherton Road
2.4 mi
·
4 min
·
South Eatherton Road
21
Continue on Olive Street Road
0.9 mi
·
1 min
·
Olive Street Road
22
Take the ramp onto Chesterfield Airport Road
0.7 mi
·
1 min
·
Chesterfield Airport Road
23
Merge onto I 64; US 40; US 61
2.7 mi
·
3 min
·
Avenue of the Saints
Use the straight lane.
24
Take the exit
0.2 mi
·
15 sec
Exit 10
Toward MO 94: Defiance, Saint Charles
Use the slight right lane.
25
Keep slight right at fork
313 ft
·
4 sec
Toward MO 94 East: Saint Charles
Use the right lane.
26
Merge onto MO 94
3.4 mi
·
4 min
·
MO 94
Use the right lane.
27
Keep slight right at fork
0.2 mi
·
22 sec
Toward Mid Rivers Mall Drive, Pitman Hill Road
Use the straight / slight right lanes.
28
Turn left onto Mid Rivers Mall Drive
4.7 mi
·
9 min
·
Mid Rivers Mall Drive
Use the left / straight lanes.
29
Take the ramp
0.3 mi
·
20 sec
Toward I 70 West: Wentzville
Use the slight left lane.
30
Merge onto I 70
479 ft
·
6 sec
·
I 70
31
Arrive at destination
I 70
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
32 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 14 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 31.6 miles from Sullivan, MO, which is a good place for a longer meal and fuel stop.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 245 decision points cluster between mile 0 and 57.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0 mi into trip
|
~0m in
|
West Vine Street
Enter roundabout onto West Vine Street
Roundabout - know your exit number before entering
8
28.8 mi into trip
|
~32m in
Take the exit toward I 44 Business, MO 100 East: Gray Summit
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 253
Toward I 44 Business, MO 100 East: Gray Summit
8
54.2 mi into trip
|
~1h 11m in
Take the exit toward MO 94: Defiance, Saint Charles
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 10
Toward MO 94: Defiance, Saint Charles
8
54.4 mi into trip
|
~1h 12m in
Keep slight right at fork toward MO 94 East: Saint Charles
Highway fork - watch signs carefully. Lane positioning matters here
Use the right lane.
Toward MO 94 East: Saint Charles
8
57.9 mi into trip
|
~1h 17m in
Keep slight right at fork toward Mid Rivers Mall Drive, Pitman Hill Road
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward Mid Rivers Mall Drive, Pitman Hill Road
Fuel & Cost
Regular Gas
$9.88 one way
$19.76 round trip
$3.97/gal
25.4 MPG avg
22 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $10.85 | $21.70 |
| premium | $4.89 | $12.16 | $24.32 |
| diesel | $5.61 | $13.95 | $27.91 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$10
Estimated CO2 emission: 22.1 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $7 in charging · 0 stops · 68% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 19 | 0 | $6.64 | $3.03 |
| Efficient EV | 15.8 | 0 | $5.53 | $2.53 |
| EV Truck/SUV | 25.3 | 0 | $8.85 | $4.04 |
Gas CO2
22 kg
EV CO2
7 kg (68% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Saint Peters, MO
Morning in Saint Peters on Tuesday
Local time
7:41 AM
CDT
Current temp
71°F
Unavailable
Live forecast
59°F
Wildwood, MO
32 mi in
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
18 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
1h 27m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
Expect a mixed driving experience on this 63.2-mile route. Over half of your travel, 56%, will be on interstate highways, including a significant 27.1-mile stretch on I-44 where you can maintain steady speeds. As you transition to Manchester Road and MO 109, the character of the drive will likely shift, offering a different feel behind the wheel. This blend of faster highway segments and potentially more local road sections makes for a varied, yet generally efficient, journey through Missouri.
56% highway, the rest on surface roads — varied driving throughout.
31 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 27.1 mi on I 44.
How Hard Is This Drive?
10/10
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near West Vine Street.
Driving Effort
10/10
Demanding - stay alert through the decision-heavy sections
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 63.2 miles you will encounter 24 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (West Vine Street): Roundabout - know your exit number before entering; at 28.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 54.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Sullivan, MO to Saint Peters, MO, road signs begin pointing toward Saint Charles along the way.
Saint Charles
54.2 mi in
|
~1h 11m
About the Cities
Starting in Sullivan, MO
Full guide →St. Louis Area is the region around St. Louis, Missouri. It borders St. Louis Metro East (Illinois) along the Mississippi River. Within Missouri, it borders Southeast Missouri, Central Missouri, and Northeast Missouri.
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 1h 27m. Total distance: 63.2 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 27m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (56%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 27.1 miles on I 44. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Saint Peters, MO before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: near the start (West Vine Street): Roundabout - know your exit number before entering; at 28.8 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 54.2 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Yes — Gateway Arch National Park. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Saint Peters, MO before heading back.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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