How far is North Smithfield, RI from Portsmouth, RI?
The driving distance from North Smithfield, RI to Portsmouth, RI is about 37.3 miles (60 km), with a travel time of about 00h 54m by car.
- The straight-line flight distance is about 29.5 miles (47.5 km).
- For a round trip, plan for roughly 01h 48m 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 00h 54m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
A city in Providence County, Rhode Island.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between North Smithfield and Portsmouth.
Turn-by-Turn Driving Directions
Step-by-step road directions between North Smithfield and Portsmouth.
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1
Start on the route
35 m · 14 sec
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2
Turn left onto Woonsocket Hill Road
156 m · 26 sec · Woonsocket Hill Road
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3
Turn left onto Follett Street
1.2 km · 2 min · Follett Street
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4
At the end of the road, turn left onto Greenville Road
1.2 mi · 3 min · Greenville Road
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5
Turn left onto RI 146 South: Providence
1312 ft · 32 sec
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6
Merge slight left onto North Smithfield Expressway
1.6 mi · 2 min · North Smithfield Expressway
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7
Continue on Eddie Dowling Highway
7.5 mi · 8 min · Eddie Dowling Highway
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8
Continue on Old Louisquisset Pike
2.9 mi · 3 min · Old Louisquisset Pike
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9
Merge slight left
1.2 mi · 2 min
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10
Take the exit slight right toward I 195 East, US 6 East: East Providence, Cape Cod
3.3 mi · 6 min
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11
Keep slight left to continue on East Providence Expressway
5.3 mi · 6 min · East Providence Expressway
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12
Take the exit slight right toward MA 136: Warren Rhode Island, Newport Rhode Island
1759 ft · 50 sec
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13
Turn right onto James Reynolds Road
1246 ft · 25 sec · James Reynolds Road
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14
Continue on Market Street
2.6 mi · 4 min · Market Street
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15
Continue on Market Street
59 m · 7 sec · Market Street
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16
Turn straight onto Kickemuit Road
1031 ft · 25 sec · Kickemuit Road
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17
Continue on Arlington Avenue
2274 ft · 41 sec · Arlington Avenue
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18
Turn straight onto Metacom Avenue
4.3 mi · 7 min · Metacom Avenue
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19
Continue on Metacom Avenue
1.6 km · 1 min · Metacom Avenue
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20
Turn straight onto Ferry Road
1081 ft · 18 sec · Ferry Road
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21
Continue on Mount Hope Bridge
1.1 mi · 2 min · Mount Hope Bridge
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22
Keep slight left to continue on Boyds Lane
1.2 km · 1 min · Boyds Lane
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23
Turn slight right onto East Main Road
1.8 mi · 3 min · East Main Road
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24
Turn right onto Freeborn Street
131 m · 21 sec · Freeborn Street
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25
Turn right
26 m · 6 sec
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26
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between North Smithfield 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.
Eddie Dowling Highway
Continue on Eddie Dowling Highway
7.54 mi · 00h 08m
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.
Chance Rain Showers leaving North Smithfield and Chance Rain Showers near Portsmouth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from North Smithfield to Portsmouth?
The road trip is about 37.3 miles (60 km) and usually takes 00h 54m 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?
East Providence is a useful midpoint, sitting about 18.6 miles from North Smithfield and 18.6 miles from Portsmouth.
How much longer is the road route than the straight-line distance?
The direct path is about 29.5 miles (47.5 km), while the road route adds roughly 7.8 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 4:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.21 one way or $10.41 round trip. Estimated CO2 is about 11.7 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around North Smithfield and Chance Rain Showers near Portsmouth.
Stop Ideas Near East Providence
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 East Providence.
Providence station
Kingston station
Route 128 station
Framingham station
Flight Path Map
This map shows the direct air route between North Smithfield and Portsmouth. Straight-line distance: 29.52 mi (47.51 km).
#1 North Smithfield
Town in Providence County, Rhode Island, United States
| Population | 12,576 |
| Coordinates | 41.9667700, -71.5495100 |
| Altitude | 111 |
| 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: 60 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 14m |
| 40 mph (64.37 km/h) | 00h 55m |
| 50 mph (80.47 km/h) | 00h 44m |
| 60 mph (96.56 km/h) | 00h 37m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $5.21 | $10.41 |
| Mid-grade | $4.46 | $5.88 | $11.77 |
| Premium | $4.86 | $6.41 | $12.83 |
| Diesel | $6.00 | $7.92 | $15.83 |
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 17, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.