How far is Waltham, MA from Charlton, MA?

The driving distance from Waltham, MA to Charlton, MA is about 45 miles (72.4 km), with a travel time of about 01h 01m by car.

  • The straight-line flight distance is about 41.1 miles (66.1 km).
  • For a round trip, plan for roughly 02h 02m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
44.99 mi
01h 01m
Flight
41.08 mi
66.11 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Waltham.

Flight Distance

Direct air line
41.08 mi
Kilometers
66.11 km
Flight Time
00h 04m

Driving Distance

Road route
44.99 mi
Kilometers
72.4 km
Drive Time
01h 01m

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 01m.

Arrival Snapshot
Arrive in Charlton
Thu, Apr 23, 7:44 AM EDT
Return by in Waltham
Thu, Apr 23, 8:45 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Waltham
2026-04-23T06:43
Arrive Charlton
Thu, Apr 23, 7:44 AM EDT
Route Timing
01h 01m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:01 AM to 11:01 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:28 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Waltham
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Westborough
MA

Town in Massachusetts

From Waltham
22.4 mi
00h 30m
To Charlton
22.6 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
61°F
Thursday

Partly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
3 to 9 mph NW
Destination
Charlton Weather
MA
Live fallback forecast
63°F
Thursday
Using East Brookfield as the closest live forecast in the Worcester County weather hub.

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
2 to 9 mph NW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    32.2 mi · 37 min · Massachusetts Turnpike

  10. 10

    Take the exit slight right toward I 395, MA 12, I 290: Auburn, Worcester

    1.1 km · 2 min

  11. 11

    Keep slight right to continue on MA 12 South

    1038 ft · 25 sec

  12. 12

    Turn straight onto Southbridge Street

    1.6 mi · 3 min · Southbridge Street

  13. 13

    Continue on Southbridge Road

    1.5 mi · 2 min · Southbridge Road

  14. 14

    Enter the roundabout and take exit 2 toward Southbridge Road

    38 m · 4 sec · Southbridge Road

  15. 15

    Exit the roundabout onto Southbridge Road

    2945 ft · 50 sec · Southbridge Road

  16. 16

    Continue on Worcester Road

    3.2 mi · 5 min · Worcester Road

  17. 17

    Turn left onto North Main Street

    1.1 km · 2 min · North Main Street

  18. 18

    Turn right

    20 m · 5 sec

  19. 19

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
19 steps
8 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
42.2 / 100 mi
Decision points by distance
Main Roads
Massachusetts Turnpike
32.2 mi · 72%
Worcester Road
3.24 mi · 7%
Southbridge Road
2.09 mi · 5%
South Street
1.77 mi · 4%
Southbridge Street
1.61 mi · 4%
I 90 West
0.75 mi · 2%
Longest Stretch

Massachusetts Turnpike

Merge slight left onto Massachusetts Turnpike

32.2 mi · 00h 37m

Route Summary

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

Trip Read

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.

Drive Time
01h 01m
Day trip friendly
Same-Day Return
02h 02m
Round-trip wheel time
Road vs Air
+3.9 mi
41.1 mi direct line
Halfway Stop
Westborough
00h 30m from Waltham
Leave By
4:28 PM EDT
Morning start is best
Weather Watch

Partly Sunny leaving Waltham and Mostly Sunny near Charlton.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 45 miles (72.4 km) and usually takes 01h 01m 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?

Westborough is a useful midpoint, sitting about 22.4 miles from Waltham and 22.6 miles from Charlton.

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

The direct path is about 41.1 miles (66.1 km), while the road route adds roughly 3.9 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 4:28 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.19 one way or $12.37 round trip. Estimated CO2 is about 14.1 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny around Waltham and Mostly Sunny near Charlton.

Stop Ideas Near Westborough

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

Mid-route Guidance
Local place coverage is thin around Westborough, 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 Westborough.

RAIL

Union Station

15 mi away
2 Washington Square
RAIL

Framingham station

16 mi away
417 Waverly St.
RAIL

Route 128 station

39 mi away
50 University Ave
RAIL

Back Bay station

45 mi away
145 Dartmouth St.

Flight Path Map

This map shows the direct air route between Waltham and Charlton. Straight-line distance: 41.08 mi (66.11 km).

Waltham

#1 Waltham

A city in Middlesex County, Massachusetts.

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

#2 Charlton

Town in Worcester County, Massachusetts, United States of America

Population13,698
Coordinates42.1356500, -71.9700700
Altitude271
CountryUnited States
Start: Waltham (-71.23561, 42.37649)
End: Charlton (-71.97007, 42.13565)

Estimated Travel Time

Distance: 72 km by road

SpeedTime
30 mph (48.3 km/h)01h 29m
40 mph (64.37 km/h)01h 07m
50 mph (80.47 km/h)00h 53m
60 mph (96.56 km/h)00h 44m
70 mph (112.65 km/h)00h 38m
80 mph (129 km/h)00h 33m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.59 gal
6.01 L · about $6.19
Round trip
$12.37
3.18 gal · 12.02 L
Estimated CO2
14.1 kg one way
Round trip: 28.3 kg / 62 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.89 $6.19 $12.37
Mid-grade $4.40 $6.99 $13.98
Premium $4.80 $7.63 $15.26
Diesel $4.49 $7.14 $14.27

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

There is no time difference between Waltham and Charlton. The current time is 06:43:16.

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.