How far is Westport, MA from Charlestown, RI?
The driving distance from Westport, MA to Charlestown, RI is about 50.5 miles (81.2 km), with a travel time of about 01h 20m by car.
- The straight-line flight distance is about 36 miles (57.9 km).
- For a round trip, plan for roughly 02h 41m 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 20m.
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.
Town in Rhode Island, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Westport and Charlestown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Westport and Charlestown.
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1
Start on Old Westport Road
2946 ft · 1 min · Old Westport Road
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2
Continue on Old County Road
2.4 mi · 5 min · Old County Road
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3
Keep slight right
53 m · 4 sec
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4
Turn straight onto Old County Road
1.2 km · 2 min · Old County Road
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5
At the end of the road, turn left onto American Legion Highway
2.4 mi · 4 min · American Legion Highway
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6
Continue on Bulgarmarsh Road
2.6 mi · 4 min · Bulgarmarsh Road
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7
Turn right onto Fish Road
1.4 mi · 2 min · Fish Road
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8
Take the ramp slight left
991 ft · 24 sec
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9
Merge slight left
5.4 mi · 8 min
-
10
Continue straight
6.1 mi · 14 min
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11
Turn right onto Coddington Highway
1.5 km · 1 min · Coddington Highway
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12
Continue on JT Connell Highway
1 km · 2 min · JT Connell Highway
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13
Enter the roundabout and take exit 2 toward JT Connell Highway
42 m · 2 sec · JT Connell Highway
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14
Exit the roundabout onto JT Connell Highway
1411 ft · 31 sec · JT Connell Highway
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15
Take the ramp left
706 ft · 17 sec
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16
Merge slight left onto RI 138: Jamestown
16.2 mi · 24 min
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17
Continue on Post Road Freeway
3157 ft · 41 sec · Post Road Freeway
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18
Continue on Commodore Perry Highway
7.7 mi · 9 min · Commodore Perry Highway
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19
Continue on Post Road
1.8 mi · 2 min · Post Road
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20
Take the exit slight left
689 ft · 19 sec
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21
Merge slight right onto Post Road
615 ft · 8 sec · Post Road
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22
Take the exit slight right
654 ft · 14 sec
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23
Turn left onto Old Post Road
63 m · 4 sec · Old Post Road
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24
Arrive at your destination
0 m · 1 sec · Old Post Road
Car Route Details
A richer read on the saved driving route between Westport and Charlestown.
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.
RI 138
Merge slight left onto RI 138: Jamestown
16.2 mi · 00h 24m
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.
Sunny leaving Westport and Sunny near Charlestown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Westport to Charlestown?
The road trip is about 50.5 miles (81.2 km) and usually takes 01h 20m 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?
Jamestown is a useful midpoint, sitting about 25.2 miles from Westport and 25.3 miles from Charlestown.
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 14.5 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 3:48 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.67 one way or $15.34 round trip. Estimated CO2 is about 15.8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Westport and Sunny near Charlestown.
Stop Ideas Near Jamestown
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 Jamestown.
Kingston station
Providence station
Westerly station
Foxwoods Casino, Connecticut
Flight Path Map
This map shows the direct air route between Westport and Charlestown. Straight-line distance: 36 mi (57.93 km).
#1 Westport
Town of the United States
| Population | 16,097 |
| Coordinates | 41.6257700, -71.0261000 |
| Altitude | - |
| Country | United States |
#2 Charlestown
Neighborhood (former town) of Boston, Massachusetts, United States
| Population | 7,836 |
| Coordinates | 41.3831600, -71.6417300 |
| Altitude | 5 |
| Country | United States |
End: Charlestown (-71.64173, 41.38316)
Estimated Travel Time
Distance: 81 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 40m |
| 40 mph (64.37 km/h) | 01h 15m |
| 50 mph (80.47 km/h) | 01h 00m |
| 60 mph (96.56 km/h) | 00h 50m |
| 70 mph (112.65 km/h) | 00h 43m |
| 80 mph (129 km/h) | 00h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.31 | $7.67 | $15.34 |
| Mid-grade | $4.94 | $8.79 | $17.58 |
| Premium | $5.35 | $9.53 | $19.05 |
| Diesel | $6.33 | $11.26 | $22.52 |
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 · Oct 15, 2026