How far is Westport, MA from Portsmouth, RI?
The driving distance from Westport, MA to Portsmouth, RI is about 15.5 miles (24.9 km), with a travel time of about 00h 26m by car.
- The straight-line flight distance is about 11.7 miles (18.8 km).
- For a round trip, plan for roughly 00h 52m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
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.
This is an easy same-day return drive.
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 00h 26m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Newport County, 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 Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Westport and Portsmouth.
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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
2.8 mi · 4 min
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10
Take the exit slight right toward RI 138: Portsmouth, Bristol
876 ft · 21 sec
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11
Keep slight left to continue on Portsmouth Business District
129 m · 10 sec
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12
Turn left onto Boyds Lane
1183 ft · 23 sec · Boyds Lane
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13
Turn slight right onto East Main Road
1.8 mi · 3 min · East Main Road
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14
Turn right onto Freeborn Street
131 m · 21 sec · Freeborn Street
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15
Turn right
26 m · 6 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Westport and Portsmouth.
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.
Fish Road
Merge slight left
2.82 mi · 00h 04m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Westport and Sunny near Portsmouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Westport to Portsmouth?
The road trip is about 15.5 miles (24.9 km) and usually takes 00h 26m 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?
Tiverton is a useful midpoint, sitting about 7.7 miles from Westport and 7.8 miles from Portsmouth.
How much longer is the road route than the straight-line distance?
The direct path is about 11.7 miles (18.8 km), while the road route adds roughly 3.8 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.37 one way or $4.74 round trip. Estimated CO2 is about 4.9 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Westport and Sunny near Portsmouth.
Stop Ideas Near Tiverton
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 Tiverton.
Providence station
Kingston station
Westerly station
Route 128 station
Flight Path Map
This map shows the direct air route between Westport and Portsmouth. Straight-line distance: 11.69 mi (18.82 km).
#1 Westport
Town of the United States
| Population | 16,097 |
| Coordinates | 41.6257700, -71.0261000 |
| Altitude | - |
| Country | United States |
#2 Portsmouth
Town in Newport County, Rhode Island, USA
| Population | 17,108 |
| Coordinates | 41.6023200, -71.2503300 |
| Altitude | 43 |
| Country | United States |
End: Portsmouth (-71.25033, 41.60232)
Estimated Travel Time
Distance: 25 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 30m |
| 40 mph (64.37 km/h) | 00h 23m |
| 50 mph (80.47 km/h) | 00h 18m |
| 60 mph (96.56 km/h) | 00h 15m |
| 70 mph (112.65 km/h) | 00h 13m |
| 80 mph (129 km/h) | 00h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.31 | $2.37 | $4.74 |
| Mid-grade | $4.94 | $2.72 | $5.43 |
| Premium | $5.35 | $2.94 | $5.89 |
| Diesel | $6.33 | $3.48 | $6.96 |
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