How far is Merrimac, MA from Boston, MA?
The driving distance from Merrimac, MA to Boston, MA is about 42.1 miles (67.8 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 32.7 miles (52.7 km).
- For a round trip, plan for roughly 01h 32m 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 46m.
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.
Slight Chance Light Rain then Slight Chance Rain Showers
Light Rain Likely
Driving Route Map
The map below follows the saved road route between Merrimac and Boston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Merrimac and Boston.
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1
Start on Pleasant Street
120 m · 20 sec · Pleasant Street
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2
At the end of the road, turn right onto School Street
5 m · 6 sec · School Street
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3
Turn left onto Bartlett Street
798 ft · 38 sec · Bartlett Street
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4
Turn right onto Broad Street
672 ft · 14 sec · Broad Street
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5
Take the ramp slight right toward I 495 South
805 ft · 21 sec
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6
Merge slight left
17.7 mi · 21 min
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7
Take the exit slight right toward I 93 South: Boston
1946 ft · 1 min
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8
Merge slight left
19.6 mi · 23 min
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9
Keep slight left to continue on Interstate 93 HOV lane
1.7 mi · 2 min · Interstate 93 HOV lane
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10
Keep slight left to continue on Interstate 93 HOV lane
1.4 km · 1 min · Interstate 93 HOV lane
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11
Merge slight right onto John F. Fitzgerald Expressway
2482 ft · 38 sec · John F. Fitzgerald Expressway
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12
Take the exit slight right toward MA 1A Toll: Airport, Government Center
889 ft · 22 sec
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13
Keep slight right to continue on Government Center
1028 ft · 31 sec
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14
Turn straight onto John F. Fitzgerald Surface Road
598 ft · 27 sec · John F. Fitzgerald Surface Road
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15
Turn right onto State Street
1486 ft · 55 sec · State Street
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16
Continue on Court Street
144 m · 20 sec · Court Street
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17
Turn left onto Tremont Street
102 m · 12 sec · Tremont Street
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18
Arrive at your destination
0 m · 1 sec · Tremont Street
Car Route Details
A richer read on the saved driving route between Merrimac and Boston.
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 South
Merge slight left
19.6 mi · 00h 23m
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.
Slight Chance Light Rain then Slight Chance Rain Showers leaving Merrimac and Light Rain Likely near Boston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Merrimac to Boston?
The road trip is about 42.1 miles (67.8 km) and usually takes 00h 46m 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 21.1 miles from Merrimac and 21.1 miles from Boston.
How much longer is the road route than the straight-line distance?
The direct path is about 32.7 miles (52.7 km), while the road route adds roughly 9.4 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 4:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.80 one way or $11.59 round trip. Estimated CO2 is about 13.2 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Light Rain then Slight Chance Rain Showers around Merrimac and Light Rain Likely near Boston.
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 Merrimac and Boston. Straight-line distance: 32.76 mi (52.72 km).
#1 Merrimac
Town in Massachusetts, United States
| Population | 6,972 |
| Coordinates | 42.8306500, -71.0022800 |
| Altitude | 31 |
| Country | United States |
#2 Boston
The twenty-first most populous city in the United States and the center of the Boston metropolitan area.
| Population | 691,531 |
| Coordinates | 42.3584300, -71.0597700 |
| Altitude | 14 |
| Country | United States |
End: Tremont Street (-71.060061, 42.358547)
Estimated Travel Time
Distance: 68 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 24m |
| 40 mph (64.37 km/h) | 01h 03m |
| 50 mph (80.47 km/h) | 00h 50m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $5.80 | $11.59 |
| Mid-grade | $4.40 | $6.55 | $13.10 |
| Premium | $4.80 | $7.15 | $14.30 |
| Diesel | $4.49 | $6.69 | $13.37 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.