How far is Marion, MA from Somerville, MA?
The driving distance from Marion, MA to Somerville, MA is about 62.7 miles (100.9 km), with a travel time of about 01h 11m by car.
- The straight-line flight distance is about 50.5 miles (81.3 km).
- For a round trip, plan for roughly 02h 22m 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 01h 11m.
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.
City in Plymouth County, Massachusetts, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Driving Route Map
The map below follows the saved road route between Marion and Somerville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marion and Somerville.
-
1
Start on Pitcher Street
86 m · 18 sec · Pitcher Street
-
2
Turn left onto Front Street
845 ft · 42 sec · Front Street
-
3
Turn left onto Main Street
2286 ft · 49 sec · Main Street
-
4
At the end of the road, turn right onto Mill Street
1.4 km · 1 min · Mill Street
-
5
Turn left onto Spring Street
990 ft · 21 sec · Spring Street
-
6
Turn left onto Front Street
2267 ft · 45 sec · Front Street
-
7
Take the ramp straight toward I 195 East
1621 ft · 39 sec
-
8
Merge slight left
4.3 mi · 5 min
-
9
Keep slight left to continue on I 495 North: Marlboro
1.5 km · 2 min
-
10
Continue straight
18.7 mi · 22 min
-
11
Take the exit slight right toward MA 24 North: Boston
1.4 km · 2 min
-
12
Merge slight left onto Amvets Highway
17.5 mi · 20 min · Amvets Highway
-
13
Keep slight right to continue on I 93 North, US 1 North: Boston
2471 ft · 1 min
-
14
Merge slight left
11.5 mi · 16 min
-
15
Continue on John F. Fitzgerald Expressway
3.2 mi · 5 min · John F. Fitzgerald Expressway
-
16
Keep slight right to continue on I 93 North: Concord NH
3075 ft · 47 sec
-
17
Take the exit slight right toward Sullivan Square, Somerville
2135 ft · 1 min
-
18
Turn left onto Cambridge Street
1270 ft · 48 sec · Cambridge Street
-
19
Continue on Washington Street
2455 ft · 1 min · Washington Street
-
20
Turn right onto McGrath Highway
1306 ft · 26 sec · McGrath Highway
-
21
Turn left onto Medford Street
101 m · 12 sec · Medford Street
-
22
Keep slight left to continue on Highland Avenue
2280 ft · 2 min · Highland Avenue
-
23
Turn right
50 m · 12 sec
-
24
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Marion and Somerville.
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 495 North
Continue straight
18.7 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.
Partly Sunny near Somerville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marion to Somerville?
The road trip is about 62.7 miles (100.9 km) and usually takes 01h 11m 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?
West Bridgewater is a useful midpoint, sitting about 31.2 miles from Marion and 31.5 miles from Somerville.
How much longer is the road route than the straight-line distance?
The direct path is about 50.5 miles (81.3 km), while the road route adds roughly 12.2 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 4:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.60 one way or $17.19 round trip. Estimated CO2 is about 19.6 kg one way.
What should you check before leaving?
Before arriving, the latest forecast around Somerville is Partly Sunny.
Stop Ideas Near West Bridgewater
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 West Bridgewater.
Route 128 station
Back Bay station
South Station
North Station
Flight Path Map
This map shows the direct air route between Marion and Somerville. Straight-line distance: 50.55 mi (81.35 km).
#1 Marion
Town in Plymouth County, Massachusetts, United States
| Population | 5,189 |
| Coordinates | 41.7001000, -70.7628100 |
| Altitude | 9 |
| Country | United States |
#2 Somerville
A city in Middlesex County, Massachusetts.
| Population | 80,935 |
| Coordinates | 42.3876000, -71.0995000 |
| Altitude | 28 |
| Country | United States |
End: (-71.099387, 42.387558)
Estimated Travel Time
Distance: 101 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 05m |
| 40 mph (64.37 km/h) | 01h 34m |
| 50 mph (80.47 km/h) | 01h 15m |
| 60 mph (96.56 km/h) | 01h 02m |
| 70 mph (112.65 km/h) | 00h 53m |
| 80 mph (129 km/h) | 00h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.89 | $8.60 | $17.19 |
| Mid-grade | $4.40 | $9.72 | $19.43 |
| Premium | $4.80 | $10.61 | $21.21 |
| Diesel | $4.49 | $9.92 | $19.84 |
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.