How far is Waltham, MA from Southborough, MA?

The driving distance from Waltham, MA to Southborough, MA is about 19.6 miles (31.5 km), with a travel time of about 00h 30m by car.

  • The straight-line flight distance is about 15.5 miles (25 km).
  • For a round trip, plan for roughly 01h 00m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
19.59 mi
00h 30m
Flight
15.55 mi
25.02 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Waltham.

Flight Distance

Direct air line
15.55 mi
Kilometers
25.02 km
Flight Time
00h 01m

Driving Distance

Road route
19.59 mi
Kilometers
31.52 km
Drive Time
00h 30m

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 30m.

Arrival Snapshot
Arrive in Southborough
Mon, May 25, 6:24 PM EDT
Return by in Waltham
Mon, May 25, 6:54 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Waltham
2026-05-25T17:54
Arrive Southborough
Mon, May 25, 6:24 PM EDT
Route Timing
00h 30m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:30 AM to 7:30 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:30 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Waltham
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Cochituate
MA

Census-designated place in Middlesex County, Massachusetts

From Waltham
9.8 mi
00h 15m
To Southborough
9.8 mi
00h 15m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
74°F
Memorial Day

Light Rain Likely

Starts
Mon, May 25 6:00 AM EDT
Wind
2 to 7 mph S
Destination
73°F
Memorial Day

Light Rain Likely

Starts
Mon, May 25 6:00 AM EDT
Wind
3 to 7 mph S

Driving Route Map

The map below follows the saved road route between Waltham and Southborough.

Turn-by-Turn Driving Directions

Step-by-step road directions between Waltham and Southborough.

  1. 1

    Start on Main Street

    1.2 km · 1 min · Main Street

  2. 2

    Turn left onto Weston Street

    54 m · 3 sec · Weston Street

  3. 3

    Turn left onto South Street

    1.8 mi · 4 min · South Street

  4. 4

    Continue on River Road

    1.2 km · 1 min · River Road

  5. 5

    Take the ramp left toward I 90, Mass Pike: Boston, Albany New York

    939 ft · 23 sec

  6. 6

    Keep slight right to continue on I 90 West, Mass Pike West: Warcester, Albany New York

    73 m · 6 sec

  7. 7

    Continue on I 90 West, Mass Pike West: Warcester, Albany New York

    120 m · 10 sec

  8. 8

    Continue straight

    1 km · 1 min

  9. 9

    Merge slight left onto Massachusetts Turnpike

    11.1 mi · 13 min · Massachusetts Turnpike

  10. 10

    Take the exit slight right toward MA 9: Framingham, Southboro

    1.3 km · 2 min

  11. 11

    Keep slight left to continue on MA 9 West: Southboro, Worcester

    2933 ft · 1 min

  12. 12

    Merge slight left onto Worcester Road

    1.4 km · 1 min · Worcester Road

  13. 13

    Continue on Turnpike Road

    1 km · 1 min · Turnpike Road

  14. 14

    Turn right onto Central Street

    2945 ft · 1 min · Central Street

  15. 15

    Turn slight left onto Boston Road

    1717 ft · 52 sec · Boston Road

  16. 16

    Continue on Boston Road

    2630 ft · 1 min · Boston Road

  17. 17

    Turn slight left onto Main Street

    104 m · 7 sec · Main Street

  18. 18

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

A richer read on the saved driving route between Waltham and Southborough.

OSRM road route
Drive Character

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.

Directions
18 steps
7 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
91.8 / 100 mi
Decision points by distance
Main Roads
Massachusetts Turnpike
11.1 mi · 57%
South Street
1.77 mi · 9%
Worcester Road
0.85 mi · 4%
Boston Road
0.82 mi · 4%
MA 9
0.79 mi · 4%
Main Street
0.78 mi · 4%
Longest Stretch

Massachusetts Turnpike

Merge slight left onto Massachusetts Turnpike

11.1 mi · 00h 13m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 30m
Quick drive
Same-Day Return
01h 00m
Round-trip wheel time
Road vs Air
+4.1 mi
15.5 mi direct line
Halfway Stop
Cochituate
00h 15m from Waltham
Leave By
7:30 PM EDT
Flexible departure
Weather Watch

Light Rain Likely leaving Waltham and Light Rain Likely near Southborough.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Waltham to Southborough?

The road trip is about 19.6 miles (31.5 km) and usually takes 00h 30m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Cochituate is a useful midpoint, sitting about 9.8 miles from Waltham and 9.8 miles from Southborough.

How much longer is the road route than the straight-line distance?

The direct path is about 15.5 miles (25 km), while the road route adds roughly 4.1 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:30 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.68 one way or $5.37 round trip. Estimated CO2 is about 6.1 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain Likely around Waltham and Light Rain Likely near Southborough.

Stop Ideas Near Cochituate

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Cochituate, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Cochituate.

RAIL

Framingham station

7 mi away
417 Waverly St.
RAIL

Route 128 station

22 mi away
50 University Ave
RAIL

Back Bay station

24 mi away
145 Dartmouth St.
RAIL

North Station

25 mi away
100 Legends Way

Flight Path Map

This map shows the direct air route between Waltham and Southborough. Straight-line distance: 15.55 mi (25.02 km).

Waltham

#1 Waltham

A city in Middlesex County, Massachusetts.

Population62,069
Coordinates42.3764900, -71.2356100
Altitude20
CountryUnited States
Southborough

#2 Southborough

Town in Worcester County, Massachusetts, United States

Population10,200
Coordinates42.3056500, -71.5245100
Altitude90
CountryUnited States
Start: Waltham (-71.23561, 42.37649)
End: Southborough (-71.52451, 42.30565)

Estimated Travel Time

Distance: 32 km by road

SpeedTime
30 mph (48.3 km/h)00h 39m
40 mph (64.37 km/h)00h 29m
50 mph (80.47 km/h)00h 23m
60 mph (96.56 km/h)00h 19m
70 mph (112.65 km/h)00h 16m
80 mph (129 km/h)00h 14m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.69 gal
2.62 L · about $2.68
Round trip
$5.37
1.38 gal · 5.24 L
Estimated CO2
6.1 kg one way
Round trip: 12.3 kg / 27 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $2.68 $5.37
Mid-grade $4.40 $3.03 $6.07
Premium $4.80 $3.31 $6.62
Diesel $4.49 $3.10 $6.19

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 · May 25, 2026

There is no time difference between Waltham and Southborough. The current time is 17:54:10.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.