Origin
Cambridge, MA
Late night in Cambridge on Sunday
Local time
4:44 AM
EDT
Current temp
62°F
Unavailable
Live forecast
Trip from Cambridge, MA to Marlborough, MA
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
45m
Distance
24.7 mi
40 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$4
one way
EV Charging
Unknown
Best Time to Leave
4 AM
0h 41m
★
6 AM
0h 45m
8 AM
0h 53m
10 AM
0h 48m
12 PM
0h 47m
3 PM
0h 48m
5 PM
0h 52m
8 PM
0h 43m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Cambridge, MA
Wikimedia Commons
Marlborough, MA
Wikimedia Commons
Trip Overview
Cambridge, MA to Marlborough, MA is 24.7 miles and takes about 45 minutes via Boston Post Road, with a fuel budget near $4 and enough daylight to finish in a day. This trip stays within Massachusetts, traversing the Northeast region. Expect a local drive with many turns, making it feel more involved than a simple highway cruise. Given its short distance and duration, this route is ideal for a single-day excursion, allowing plenty of time for your destination activities.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Boston Post Road | 14 mi | 23m |
| Belmont Street | 2.6 mi | 4m |
| Main Street | 2.1 mi | 3m |
| Weston Street | 1.3 mi | 2m |
| Brattle Street | 1.1 mi | 2m |
| Warren Street | 0.8 mi | 1m |
| Cambridge Street | 0.7 mi | 2m |
| Lincoln Street | 0.6 mi | <1m |
Longest stretch:
Boston Post Road
— 14 mi, about 23m
Turn-by-Turn Driving Directions
Step-by-step road directions between Cambridge, MA and Marlborough, MA.
1
Start on Leonard Avenue
267 ft
·
13 sec
·
Leonard Avenue
2
Turn right onto Cambridge Street
0.7 mi
·
2 min
·
Cambridge Street
Use the straight / right lanes.
3
Continue on Cambridge Street
108 ft
·
4 sec
·
Cambridge Street
4
Turn left onto MA 2A
162 ft
·
7 sec
·
Massachusetts Avenue
5
Turn right onto Garden Street
0.2 mi
·
45 sec
·
Garden Street
Use the straight / right lanes.
6
Turn left onto Mason Street
0.1 mi
·
25 sec
·
Mason Street
Use the left lane.
7
Turn right onto Brattle Street
1.1 mi
·
2 min
·
Brattle Street
8
At end of road, turn right onto Mount Auburn Street
0.3 mi
·
30 sec
·
Mount Auburn Street
9
Keep slight right at fork onto Belmont Street
1.1 mi
·
1 min
·
Belmont Street
Use the right lane.
10
Continue on Belmont Street
1.5 mi
·
2 min
·
Belmont Street
Use the left lane.
11
Continue on Warren Street
0.8 mi
·
1 min
·
Warren Street
12
Turn right onto US 20
2.1 mi
·
3 min
·
Main Street
Use the straight / right lanes.
13
Turn left onto US 20
1.0 mi
·
2 min
·
Weston Street
Use the left lane.
14
Continue on US 20
0.3 mi
·
41 sec
·
Weston Street
15
Continue on US 20
14 mi
·
23 min
·
Boston Post Road
Use the straight / left / right lanes.
16
Continue on US 20
0.5 mi
·
43 sec
·
East Main Street
17
Continue on Lincoln Street
0.6 mi
·
59 sec
·
Lincoln Street
18
Turn left onto Prospect Street
0.2 mi
·
20 sec
·
Prospect Street
19
At end of road, turn right onto Main Street
208 ft
·
11 sec
·
Main Street
20
Turn sharp left onto Windsor Street
184 ft
·
10 sec
·
Windsor Street
21
Turn right
146 ft
·
10 sec
22
Arrive at destination
Heads-up: tricky spots
5 of 145 decision points cluster between mile 0.1 and 24.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.1 mi into trip
|
~0m in
|
Cambridge Street
Turn right onto Cambridge Street
Lane positioning matters here
Use the straight / right lanes.
6
0.8 mi into trip
|
~3m in
|
Garden Street
Turn right onto Garden Street
Lane positioning matters here
Use the straight / right lanes.
6
1 mi into trip
|
~3m in
|
Mason Street
Turn left onto Mason Street
Lane positioning matters here
Use the left lane.
6
2.5 mi into trip
|
~6m in
|
Belmont Street
Keep slight right at fork onto Belmont Street
Highway fork - watch signs carefully. Lane positioning matters here
Use the right lane.
6
24.6 mi into trip
|
~44m in
|
Main Street
At end of road, turn right onto Main Street
Complex interchange - multiple decisions in a short stretch
Fuel & Cost
Regular Gas
$3.95 one way
$7.91 round trip
$4.07/gal
25.4 MPG avg
9 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.43 | $4.31 | $8.62 |
| premium | $4.82 | $4.69 | $9.38 |
| diesel | $5.61 | $5.45 | $10.91 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$4
Estimated CO2 emission: 8.6 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $3 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 7.4 | 0 | $2.59 | $1.19 |
| Efficient EV | 6.2 | 0 | $2.16 | $0.99 |
| EV Truck/SUV | 9.9 | 0 | $3.46 | $1.58 |
Gas CO2
9 kg
EV CO2
3 kg (67% 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
Marlborough, MA
Late night in Marlborough on Sunday
Local time
4:44 AM
EDT
Current temp
63°F
Unavailable
Live forecast
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
1 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
45m 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?
This is a decidedly turn-heavy local drive, with a 0% highway share. You'll navigate primarily via Boston Post Road, Belmont Street, and Main Street. The longest stretch without a turn is about 14 miles along Boston Post Road. The road's character is consistently local, requiring your attention to navigate numerous intersections and changes in road name. Don't expect long, sweeping highway stretches on this journey.
Only 0% highway — the rest is turn-by-turn surface driving.
22 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 14 mi on Boston Post Road.
How Hard Is This Drive?
7/10
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near Cambridge Street.
Driving Effort
7/10
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 14 decision points packed into just 24.7 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 45m.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Cambridge Street): Lane positioning matters here; at 0.8 miles (Garden Street): Lane positioning matters here; at 1 miles (Mason Street): Lane positioning matters here.
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 45m. Total distance: 24.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
45m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Mostly surface roads route profile.
Frequently Asked Questions
The longest stretch is about 14 miles on Boston Post Road. 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 Marlborough, MA 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: at 0.1 miles (Cambridge Street): Lane positioning matters here; at 0.8 miles (Garden Street): Lane positioning matters here; at 1 miles (Mason Street): Lane positioning matters here.
Yes. A round trip is manageable in a single day if you plan a break at Marlborough, MA 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, and EIA for fuel prices. See our methodology for refresh cadence and limitations.
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