How far is Cambridge, MA from Merrimac, MA?
The driving distance from Cambridge, MA to Merrimac, MA is about 40.8 miles (65.6 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 31.9 miles (51.4 km).
- For a round trip, plan for roughly 01h 50m 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 55m.
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 Essex County, Massachusetts, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Rain Showers
Mostly Sunny then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Cambridge and Merrimac.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cambridge and Merrimac.
-
1
Start on Leonard Avenue
81 m · 17 sec · Leonard Avenue
-
2
Turn left onto Cambridge Street
1391 ft · 1 min · Cambridge Street
-
3
Continue on Cambridge Street
740 ft · 36 sec · Cambridge Street
-
4
Turn left onto Prospect Street
2519 ft · 1 min · Prospect Street
-
5
Turn right onto Washington Street
1265 ft · 33 sec · Washington Street
-
6
Turn left onto McGrath Highway
1.4 km · 2 min · McGrath Highway
-
7
Take the exit slight right toward I 93, MA 38: Medford, Boston
63 m · 6 sec
-
8
Keep slight left to continue on I 93 North, MA 38 North: Medford, Concord New Hampshire
1509 ft · 49 sec
-
9
Turn straight onto Mystic Avenue
2646 ft · 57 sec · Mystic Avenue
-
10
Take the ramp slight right toward I 93 North: Lawrence, Concord New Hampshire
2113 ft · 52 sec
-
11
Merge slight left
18.8 mi · 22 min
-
12
Take the exit slight right toward I 495 North: Lawrence
2420 ft · 1 min
-
13
Merge slight left
17.5 mi · 21 min
-
14
Take the exit slight right toward Merrimac, Merrimacport
1087 ft · 37 sec
-
15
Keep slight left to continue on Broad St, Merrimac, Merrimacport
40 m · 10 sec
-
16
Turn left onto Broad Street
1916 ft · 47 sec · Broad Street
-
17
Turn left onto Mill Street
19 m · 3 sec · Mill Street
-
18
Turn slight right onto Bartlett Street
736 ft · 34 sec · Bartlett Street
-
19
Turn right onto School Street
5 m · 7 sec · School Street
-
20
Turn left onto Pleasant Street
120 m · 17 sec · Pleasant Street
-
21
Arrive at your destination
0 m · 1 sec · Pleasant Street
Car Route Details
A richer read on the saved driving route between Cambridge and Merrimac.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 93 North
Merge slight left
18.8 mi · 00h 22m
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.
Mostly Sunny then Slight Chance Rain Showers leaving Cambridge and Mostly Sunny then Chance Rain Showers near Merrimac.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cambridge to Merrimac?
The road trip is about 40.8 miles (65.6 km) and usually takes 00h 55m 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?
Andover is a useful midpoint, sitting about 20.4 miles from Cambridge and 20.4 miles from Merrimac.
How much longer is the road route than the straight-line distance?
The direct path is about 31.9 miles (51.4 km), while the road route adds roughly 8.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 4:40 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.60 one way or $11.20 round trip. Estimated CO2 is about 12.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Cambridge and Mostly Sunny then Chance Rain Showers near Merrimac.
Stop Ideas Near Andover
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 Andover.
Haverhill station
Anderson Regional Transportation Center
Newburyport, Massachusetts
Nashua, NH
Flight Path Map
This map shows the direct air route between Cambridge and Merrimac. Straight-line distance: 31.91 mi (51.36 km).
#1 Cambridge
The most populous city in Middlesex County, Massachusetts.
| Population | 119,192 |
| Coordinates | 42.3751000, -71.1056100 |
| Altitude | 5 |
| Country | United States |
#2 Merrimac
Town in Massachusetts, United States
| Population | 6,972 |
| Coordinates | 42.8306500, -71.0022800 |
| Altitude | 31 |
| Country | United States |
End: Merrimac (-71.00228, 42.83065)
Estimated Travel Time
Distance: 66 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 21m |
| 40 mph (64.37 km/h) | 01h 01m |
| 50 mph (80.47 km/h) | 00h 48m |
| 60 mph (96.56 km/h) | 00h 40m |
| 70 mph (112.65 km/h) | 00h 34m |
| 80 mph (129 km/h) | 00h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $5.60 | $11.20 |
| Mid-grade | $4.40 | $6.33 | $12.66 |
| Premium | $4.80 | $6.91 | $13.82 |
| Diesel | $4.49 | $6.46 | $12.93 |
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 · Jun 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.