How far is Constantine, MI from Ann Arbor, MI?

The driving distance from Constantine, MI to Ann Arbor, MI is about 115.8 miles (186.4 km), with a travel time of about 02h 12m by car.

  • The straight-line flight distance is about 103.4 miles (166.4 km).
  • For a round trip, plan for roughly 04h 25m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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
115.82 mi
02h 12m
Flight
103.38 mi
166.38 km direct

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

Learn Distance

Choose another destination from Constantine.

Flight Distance

Direct air line
103.38 mi
Kilometers
166.38 km
Flight Time
00h 12m

Driving Distance

Road route
115.82 mi
Kilometers
186.4 km
Drive Time
02h 12m

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 02h 12m.

Arrival Snapshot
Arrive in Ann Arbor
Wed, Apr 22, 10:51 PM EDT
Return by in Constantine
Thu, Apr 23, 1:04 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Constantine
2026-04-22T20:38
Arrive Ann Arbor
Wed, Apr 22, 10:51 PM EDT
Route Timing
02h 12m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:13 AM to 12:13 PM EDT

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

Leave by
2:04 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Constantine
9:30 PM EDT
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
Marshall
MI

City in the U.

From Constantine
64.4 mi
01h 06m
To Ann Arbor
51.4 mi
01h 06m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph N
Destination
70°F
Wednesday

Sunny

Starts
Wed, Apr 22 6:00 AM EDT
Wind
5 mph NNW

Driving Route Map

The map below follows the saved road route between Constantine and Ann Arbor.

Turn-by-Turn Driving Directions

Step-by-step road directions between Constantine and Ann Arbor.

  1. 1

    Start on West 2nd Street

    16 m · 7 sec · West 2nd Street

  2. 2

    Turn left onto South Washington Street

    1.1 km · 1 min · South Washington Street

  3. 3

    Continue on Youngs Prairie Road

    1417 ft · 40 sec · Youngs Prairie Road

  4. 4

    Turn right onto Constantine Bypass

    1.5 mi · 2 min · Constantine Bypass

  5. 5

    Continue on US-131

    16.6 mi · 19 min · US-131

  6. 6

    Continue on South Grand Street

    8.8 mi · 10 min · South Grand Street

  7. 7

    Take the exit slight right toward I 94 East: Detroit

    1 km · 1 min

  8. 8

    Merge slight left

    96.8 mi · 1 hr 44 min

  9. 9

    Keep slight right to continue on I 94, I 94 Business: Detroit, Ann Arbor

    3011 ft · 37 sec

  10. 10

    Take the exit slight right toward I 94 Business: Ann Arbor

    3 mi · 7 min

  11. 11

    Turn right onto South State Street

    1325 ft · 36 sec · South State Street

  12. 12

    Arrive at your destination

    0 m · 1 sec · South State Street

Car Route Details

A richer read on the saved driving route between Constantine and Ann Arbor.

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
12 steps
3 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
10.4 / 100 mi
Decision points by distance
Main Roads
I 94 East
97.4 mi · 84%
US-131
16.6 mi · 14%
South Grand Street
8.77 mi · 8%
I 94 Business
3.01 mi · 3%
Constantine Bypass
1.54 mi · 1%
South Washington Street
0.66 mi · 1%
Longest Stretch

I 94 East

Merge slight left

96.8 mi · 01h 44m

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
02h 12m
Day trip friendly
Same-Day Return
04h 26m
Round-trip wheel time
Road vs Air
+12.4 mi
103.4 mi direct line
Halfway Stop
Marshall
01h 06m from Constantine
Leave By
2:04 PM EDT
Morning start is best
Weather Watch

Sunny leaving Constantine and Sunny near Ann Arbor.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Constantine to Ann Arbor?

The road trip is about 115.8 miles (186.4 km) and usually takes 02h 12m 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?

Marshall is a useful midpoint, sitting about 64.4 miles from Constantine and 51.4 miles from Ann Arbor.

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

The direct path is about 103.4 miles (166.4 km), while the road route adds roughly 12.4 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 EDT. If you want a more comfortable same-day return, try to leave by 2:04 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $15.42 one way or $30.85 round trip. Estimated CO2 is about 36.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Constantine and Sunny near Ann Arbor.

Stop Ideas Near Marshall

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

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

RAIL

Albion station

17 mi away
300 North Eaton St.
RAIL

Battle Creek Transportation Center

19 mi away
104 Capital Ave. S.W.
RAIL

Jackson station

46 mi away
501 E. Michigan Ave.
RAIL

Kalamazoo Transportation Center

51 mi away
459 North Burdick St.

Flight Path Map

This map shows the direct air route between Constantine and Ann Arbor. Straight-line distance: 103.38 mi (166.38 km).

Constantine

#1 Constantine

Village in St.

Population2,075
Coordinates41.8411600, -85.6686000
Altitude240
CountryUnited States
Ann Arbor

#2 Ann Arbor

The most populous city in Washtenaw County, Michigan.

Population119,280
Coordinates42.2775600, -83.7408800
Altitude269
CountryUnited States
Start: West 2nd Street (-85.668575, 41.841126)
End: South State Street (-83.740762, 42.277562)

Estimated Travel Time

Distance: 186 km by road

SpeedTime
30 mph (48.3 km/h)03h 51m
40 mph (64.37 km/h)02h 53m
50 mph (80.47 km/h)02h 18m
60 mph (96.56 km/h)01h 55m
70 mph (112.65 km/h)01h 39m
80 mph (129 km/h)01h 26m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.09 gal
15.47 L · about $15.42
Round trip
$30.85
8.18 gal · 30.94 L
Estimated CO2
36.3 kg one way
Round trip: 72.7 kg / 160 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $15.42 $30.85
Mid-grade $4.25 $17.39 $34.79
Premium $4.65 $19.03 $38.07
Diesel $5.30 $21.69 $43.39

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 Michigan · Apr 23, 2026

There is no time difference between Constantine and Ann Arbor. The current time is 20:38:05.

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.