How far is Ayer, MA from Cambridge, MA?
The driving distance from Ayer, MA to Cambridge, MA is about 32.1 miles (51.6 km), with a travel time of about 00h 49m by car.
- The straight-line flight distance is about 27.8 miles (44.8 km).
- For a round trip, plan for roughly 01h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 49m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in Middlesex County, Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Partly Sunny then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Ayer and Cambridge.
Turn-by-Turn Driving Directions
Step-by-step road directions between Ayer and Cambridge.
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1
Start on Park Street
121 m · 12 sec · Park Street
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2
Turn left onto West Main Street
1.3 km · 2 min · West Main Street
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3
Continue on Harvard Road
1158 ft · 20 sec · Harvard Road
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4
Enter the roundabout and take exit 3 toward Littleton Road
129 m · 7 sec · Littleton Road
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5
Exit the roundabout onto Littleton Road
1.9 mi · 3 min · Littleton Road
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6
Continue on Ayer Road
1.8 mi · 3 min · Ayer Road
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7
Turn right onto King Street
715 ft · 18 sec · King Street
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8
Turn left onto Taylor Street
1.1 mi · 2 min · Taylor Street
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9
Take the ramp slight right toward MA 2 East: Concord, Boston
1201 ft · 30 sec
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10
Merge slight left onto George W Stanton Highway
2864 ft · 44 sec · George W Stanton Highway
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11
Continue on Captain Isaac Davis Highway
6.3 mi · 9 min · Captain Isaac Davis Highway
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12
Continue on Union Turnpike
3019 ft · 2 min · Union Turnpike
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13
Enter the roundabout and take exit 2 toward Concord Rotary
100 m · 4 sec · Elm Street
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14
Exit the rotary onto Elm Street
1635 ft · 35 sec · Elm Street
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15
Continue on Concord Turnpike
3.7 mi · 5 min · Concord Turnpike
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16
Continue on Cambridge Turnpike Rte 2
3.5 mi · 5 min · Cambridge Turnpike Rte 2
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17
Continue on Concord Highway
3.4 mi · 5 min · Concord Highway
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18
Continue on Concord Turnpike
3.5 mi · 5 min · Concord Turnpike
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19
Take the exit slight left toward MA 16 East, US 3 North: Medford, Woburn
144 m · 14 sec
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20
Merge slight right onto Alewife Brook Parkway
1781 ft · 51 sec · Alewife Brook Parkway
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21
Turn right onto Massachusetts Avenue
1.2 mi · 3 min · Massachusetts Avenue
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22
Turn left onto Somerville Avenue
1177 ft · 54 sec · Somerville Avenue
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23
Turn right onto Beacon Street
1.6 km · 3 min · Beacon Street
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24
Turn right onto Cooney Street
90 m · 13 sec · Cooney Street
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25
At the end of the road, turn right onto Line Street
90 m · 19 sec · Line Street
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26
Turn left onto Leonard Avenue
140 m · 20 sec · Leonard Avenue
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27
Arrive at your destination
0 m · 1 sec · Leonard Avenue
Car Route Details
A richer read on the saved driving route between Ayer and Cambridge.
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.
Captain Isaac Davis Highway
Continue on Captain Isaac Davis Highway
6.26 mi · 00h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Chance Showers And Thunderstorms leaving Ayer and Partly Sunny then Chance Rain Showers near Cambridge.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Ayer to Cambridge?
The road trip is about 32.1 miles (51.6 km) and usually takes 00h 49m 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?
Concord is a useful midpoint, sitting about 15.6 miles from Ayer and 16.5 miles from Cambridge.
How much longer is the road route than the straight-line distance?
The direct path is about 27.8 miles (44.8 km), while the road route adds roughly 4.3 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 4:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.40 one way or $8.79 round trip. Estimated CO2 is about 10 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Ayer and Partly Sunny then Chance Rain Showers near Cambridge.
Stop Ideas Near Concord
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Concord.
Anderson Regional Transportation Center
Framingham station
Back Bay station
North Station
Flight Path Map
This map shows the direct air route between Ayer and Cambridge. Straight-line distance: 27.82 mi (44.78 km).
#1 Ayer
City in Middlesex County, Massachusetts, United States of America
| Population | 8,211 |
| Coordinates | 42.5612000, -71.5897900 |
| Altitude | 73 |
| Country | United States |
#2 Cambridge
The most populous city in Middlesex County, Massachusetts.
| Population | 119,192 |
| Coordinates | 42.3751000, -71.1056100 |
| Altitude | 5 |
| Country | United States |
End: Leonard Avenue (-71.105735, 42.375115)
Estimated Travel Time
Distance: 52 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 04m |
| 40 mph (64.37 km/h) | 00h 48m |
| 50 mph (80.47 km/h) | 00h 38m |
| 60 mph (96.56 km/h) | 00h 32m |
| 70 mph (112.65 km/h) | 00h 27m |
| 80 mph (129 km/h) | 00h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $4.40 | $8.79 |
| Mid-grade | $4.40 | $4.97 | $9.94 |
| Premium | $4.80 | $5.42 | $10.85 |
| Diesel | $4.49 | $5.07 | $10.14 |
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 Massachusetts · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.