How far is Charlestown, RI from Westport, MA?

The driving distance from Charlestown, RI to Westport, MA is about 49.8 miles (80.1 km), with a travel time of about 01h 17m by car.

  • The straight-line flight distance is about 36 miles (57.9 km).
  • For a round trip, plan for roughly 02h 34m 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
49.75 mi
01h 17m
Flight
36 mi
57.93 km direct

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

Learn Distance

Choose another destination from Charlestown.

Flight Distance

Direct air line
36 mi
Kilometers
57.93 km
Flight Time
00h 04m

Driving Distance

Road route
49.75 mi
Kilometers
80.07 km
Drive Time
01h 17m

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 17m.

Arrival Snapshot
Arrive in Westport
Thu, Oct 15, 8:48 PM EDT
Return by in Charlestown
Thu, Oct 15, 10:06 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Charlestown
2026-10-15T19:31
Arrive Westport
Thu, Oct 15, 8:48 PM EDT
Route Timing
01h 17m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:17 AM to 11:17 AM EDT

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

Leave by
3:56 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Charlestown
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
Newport
RI

City in and county seat of Newport County, Rhode Island, United States

From Charlestown
24.9 mi
00h 38m
To Westport
24.9 mi
00h 38m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Charlestown Weather
RI
Live fallback forecast
62°F
This Afternoon
Using Warwick as the closest live forecast in the Rhode Island weather hub.

Sunny

Starts
Thu, Oct 15 1:00 PM EDT
Wind
7 to 12 mph NE
Destination
Westport Weather
MA
Live fallback forecast
61°F
Thursday
Using North Seekonk as the closest live forecast in the Bristol County weather hub.

Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
7 to 15 mph NE

Driving Route Map

The map below follows the saved road route between Charlestown and Westport.

Turn-by-Turn Driving Directions

Step-by-step road directions between Charlestown and Westport.

  1. 1

    Start on Old Post Road

    63 m · 4 sec · Old Post Road

  2. 2

    Turn right

    125 m · 7 sec

  3. 3

    Take the ramp slight right

    135 m · 12 sec

  4. 4

    Merge slight left onto Post Road

    1.6 mi · 2 min · Post Road

  5. 5

    Continue on Commodore Perry Highway

    7.7 mi · 9 min · Commodore Perry Highway

  6. 6

    Continue on Post Road Freeway

    1.1 km · 45 sec · Post Road Freeway

  7. 7

    Continue on Tower Hill Road

    6.7 mi · 10 min · Tower Hill Road

  8. 8

    Keep slight right to continue on RI 138 East: Jamestown, Newport

    9.6 mi · 13 min

  9. 9

    Turn right onto Admiral Kalbfus Road

    956 ft · 44 sec · Admiral Kalbfus Road

  10. 10

    Turn left onto Girard Avenue

    1.1 km · 2 min · Girard Avenue

  11. 11

    At the end of the road, turn right onto Coddington Highway

    1.3 km · 1 min · Coddington Highway

  12. 12

    Turn left onto West Main Road

    6.2 mi · 14 min · West Main Road

  13. 13

    Continue straight

    5.2 mi · 7 min

  14. 14

    Take the exit slight right toward Fish Road

    1032 ft · 30 sec

  15. 15

    Turn right onto Fish Road

    1.3 mi · 2 min · Fish Road

  16. 16

    At the end of the road, turn left onto Bulgarmarsh Road

    2.6 mi · 4 min · Bulgarmarsh Road

  17. 17

    Continue on American Legion Highway

    2.4 mi · 4 min · American Legion Highway

  18. 18

    Turn right onto Old County Road

    1.3 km · 2 min · Old County Road

  19. 19

    Turn left onto Old County Road

    2.4 mi · 5 min · Old County Road

  20. 20

    Continue on Old Westport Road

    2946 ft · 1 min · Old Westport Road

  21. 21

    Arrive at your destination

    0 m · 1 sec · Old Westport Road

Car Route Details

A richer read on the saved driving route between Charlestown and Westport.

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
21 steps
9 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
42.2 / 100 mi
Decision points by distance
Main Roads
West Main Road
11.5 mi · 23%
RI 138 East
9.58 mi · 19%
Commodore Perry Highway
7.72 mi · 16%
Tower Hill Road
6.66 mi · 13%
Old County Road
3.19 mi · 6%
Bulgarmarsh Road
2.57 mi · 5%
Longest Stretch

RI 138 East

Keep slight right to continue on RI 138 East: Jamestown, Newport

9.58 mi · 00h 13m

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 17m
Day trip friendly
Same-Day Return
02h 34m
Round-trip wheel time
Road vs Air
+13.8 mi
36 mi direct line
Halfway Stop
Newport
00h 38m from Charlestown
Leave By
3:56 PM EDT
Morning start is best
Weather Watch

Sunny leaving Charlestown and Sunny near Westport.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Charlestown to Westport?

The road trip is about 49.8 miles (80.1 km) and usually takes 01h 17m 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?

Newport is a useful midpoint, sitting about 24.9 miles from Charlestown and 24.9 miles from Westport.

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

The direct path is about 36 miles (57.9 km), while the road route adds roughly 13.8 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 3:56 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.52 one way or $15.05 round trip. Estimated CO2 is about 15.6 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Charlestown and Sunny near Westport.

Stop Ideas Near Newport

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

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

RAIL

Kingston station

21 mi away
1 Railroad Avenue
RAIL

Providence station

38 mi away
100 Gaspee Street
RAIL

Westerly station

45 mi away
14 Railroad Avenue
BUS

Foxwoods Casino, Connecticut

55 mi away
39 Norwich Westerley Rd.

Flight Path Map

This map shows the direct air route between Charlestown and Westport. Straight-line distance: 36 mi (57.93 km).

Charlestown

#1 Charlestown

Neighborhood (former town) of Boston, Massachusetts, United States

Population7,836
Coordinates41.3831600, -71.6417300
Altitude5
CountryUnited States
Westport

#2 Westport

Town of the United States

Population16,097
Coordinates41.6257700, -71.0261000
Altitude-
CountryUnited States
Start: Charlestown (-71.64173, 41.38316)
End: Westport (-71.0261, 41.62577)

Estimated Travel Time

Distance: 80 km by road

SpeedTime
30 mph (48.3 km/h)01h 39m
40 mph (64.37 km/h)01h 14m
50 mph (80.47 km/h)00h 59m
60 mph (96.56 km/h)00h 49m
70 mph (112.65 km/h)00h 42m
80 mph (129 km/h)00h 37m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.76 gal
6.65 L · about $7.52
Round trip
$15.05
3.52 gal · 13.3 L
Estimated CO2
15.6 kg one way
Round trip: 31.3 kg / 69 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.28 $7.52 $15.05
Mid-grade $5.03 $8.85 $17.70
Premium $5.43 $9.55 $19.10
Diesel $6.33 $11.14 $22.27

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 Rhode Island · Oct 15, 2026

There is no time difference between Charlestown and Westport. The current time is 19:31:21.

Distance to Other Cities

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