How far is Portsmouth, RI from Cranston, RI?
The driving distance from Portsmouth, RI to Cranston, RI is about 31.4 miles (50.6 km), with a travel time of about 00h 35m by car.
- The straight-line flight distance is about 15.6 miles (25.1 km).
- For a round trip, plan for roughly 01h 11m 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 35m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Bristol County, Rhode Island, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Portsmouth and Cranston.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portsmouth and Cranston.
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1
Start on the route
26 m · 11 sec
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2
Turn left onto Freeborn Street
131 m · 22 sec · Freeborn Street
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3
Turn left onto East Main Road
1.8 mi · 3 min · East Main Road
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4
Turn slight left onto Boyds Lane
1.2 km · 1 min · Boyds Lane
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5
Continue on Mount Hope Bridge
1.1 mi · 2 min · Mount Hope Bridge
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6
Continue on Ferry Road
944 ft · 16 sec · Ferry Road
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7
Keep slight right to continue on Metacom Avenue
5.7 mi · 9 min · Metacom Avenue
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8
Continue on Kickemuit Road
1328 ft · 32 sec · Kickemuit Road
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9
Continue on Market Street
2.6 mi · 4 min · Market Street
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10
Continue on James Reynolds Road
2581 ft · 46 sec · James Reynolds Road
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11
Take the ramp slight right toward I 195 West: Providence Rhode Island
1886 ft · 46 sec
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12
Merge slight left
8.2 mi · 11 min
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13
Keep slight left to continue on I 95 South: New York, Eddy Street
1292 ft · 31 sec
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14
Keep slight left to continue on Thurbers Avenue
2285 ft · 39 sec
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15
Merge slight left
1.5 mi · 2 min
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16
Take the exit slight right toward US 1: Elmwood Avenue
988 ft · 34 sec · I 95
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17
Continue on Roger Williams Avenue
2506 ft · 1 min · Roger Williams Avenue
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18
At the end of the road, turn left onto Reservoir Avenue
1.3 km · 2 min · Reservoir Avenue
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19
Turn left onto Park Avenue
719 ft · 26 sec · Park Avenue
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20
Turn left
119 m · 29 sec
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21
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Portsmouth and Cranston.
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.
I 195 West
Merge slight left
8.16 mi · 00h 11m
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.
Patchy Fog leaving Portsmouth and Chance Rain Showers near Cranston.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portsmouth to Cranston?
The road trip is about 31.4 miles (50.6 km) and usually takes 00h 35m 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?
Warren is a useful midpoint, sitting about 12.7 miles from Portsmouth and 18.8 miles from Cranston.
How much longer is the road route than the straight-line distance?
The direct path is about 15.6 miles (25.1 km), while the road route adds roughly 15.8 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 7:18 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.38 one way or $8.76 round trip. Estimated CO2 is about 9.9 kg one way.
What should you check before leaving?
Before you leave, expect Patchy Fog around Portsmouth and Chance Rain Showers near Cranston.
Stop Ideas Near Warren
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 Warren.
Providence station
Kingston station
Route 128 station
Westerly station
Flight Path Map
This map shows the direct air route between Portsmouth and Cranston. Straight-line distance: 15.6 mi (25.11 km).
#1 Portsmouth
Town in Newport County, Rhode Island, USA
| Population | 17,108 |
| Coordinates | 41.6023200, -71.2503300 |
| Altitude | 43 |
| Country | United States |
#2 Cranston
The second most populous city in Rhode Island.
| Population | 81,142 |
| Coordinates | 41.7798200, -71.4372800 |
| Altitude | 19 |
| Country | United States |
End: (-71.437593, 41.779724)
Estimated Travel Time
Distance: 51 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 02m |
| 40 mph (64.37 km/h) | 00h 47m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $4.38 | $8.76 |
| Mid-grade | $4.46 | $4.95 | $9.89 |
| Premium | $4.86 | $5.39 | $10.78 |
| Diesel | $6.00 | $6.66 | $13.31 |
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 · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.