How far is Portsmouth, RI from North Smithfield, RI?

The driving distance from Portsmouth, RI to North Smithfield, RI is about 38 miles (61.1 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 49m 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
37.99 mi
00h 54m
Flight
29.52 mi
47.51 km direct

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

Learn Distance

Choose another destination from Portsmouth.

Flight Distance

Direct air line
29.52 mi
Kilometers
47.51 km
Flight Time
00h 03m

Driving Distance

Road route
37.99 mi
Kilometers
61.14 km
Drive Time
00h 54m

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.

Arrival Snapshot
Arrive in North Smithfield
Fri, Apr 17, 11:51 AM EDT
Return by in Portsmouth
Fri, Apr 17, 12:46 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Portsmouth
2026-04-17T10:56
Arrive North Smithfield
Fri, Apr 17, 11:51 AM EDT
Route Timing
00h 54m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
8:55 AM to 10:55 AM EDT

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

Leave by
4:40 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Portsmouth
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
East Providence
RI

A city in Providence County, Rhode Island.

From Portsmouth
19 mi
00h 27m
To North Smithfield
19 mi
00h 27m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Portsmouth Weather
RI
Live fallback forecast
65°F
Friday
Using Warwick as the closest live forecast in the Rhode Island weather hub.

Chance Rain Showers

Starts
Fri, Apr 17 6:00 AM EDT
Wind
3 to 7 mph SW
Destination
75°F
Friday

Chance Rain Showers

Starts
Fri, Apr 17 6:00 AM EDT
Wind
5 to 8 mph NW

Driving Route Map

The map below follows the saved road route between Portsmouth and North Smithfield.

Turn-by-Turn Driving Directions

Step-by-step road directions between Portsmouth and North Smithfield.

  1. 1

    Start on the route

    26 m · 11 sec

  2. 2

    Turn left onto Freeborn Street

    131 m · 22 sec · Freeborn Street

  3. 3

    Turn left onto East Main Road

    1.8 mi · 3 min · East Main Road

  4. 4

    Turn slight left onto Boyds Lane

    1.2 km · 1 min · Boyds Lane

  5. 5

    Continue on Mount Hope Bridge

    1.1 mi · 2 min · Mount Hope Bridge

  6. 6

    Continue on Ferry Road

    944 ft · 16 sec · Ferry Road

  7. 7

    Keep slight right to continue on Metacom Avenue

    5.7 mi · 9 min · Metacom Avenue

  8. 8

    Continue on Kickemuit Road

    1328 ft · 32 sec · Kickemuit Road

  9. 9

    Continue on Market Street

    2.6 mi · 4 min · Market Street

  10. 10

    Continue on James Reynolds Road

    2581 ft · 46 sec · James Reynolds Road

  11. 11

    Take the ramp slight right toward I 195 West: Providence Rhode Island

    1886 ft · 46 sec

  12. 12

    Merge slight left

    8.2 mi · 11 min

  13. 13

    Keep slight right to continue on I 95 North, US 6 West: Boston Massachusetts

    669 ft · 16 sec

  14. 14

    Keep slight left to continue on I 95 North, US 6 West: Boston Massachusetts

    1.6 km · 2 min

  15. 15

    Keep slight left

    709 ft · 12 sec

  16. 16

    Keep slight right to continue on RI 146 North: State Offices

    1.1 km · 45 sec

  17. 17

    Continue on Old Louisquisset Pike

    3 mi · 3 min · Old Louisquisset Pike

  18. 18

    Continue on Eddie Dowling Highway

    4.7 mi · 5 min · Eddie Dowling Highway

  19. 19

    Keep slight left to continue on Eddie Dowling Highway

    2.8 mi · 3 min · Eddie Dowling Highway

  20. 20

    Continue on North Smithfield Expressway

    1.6 mi · 2 min · North Smithfield Expressway

  21. 21

    Take the exit slight right toward RI 104: North Smithfield, Woonsocket

    1396 ft · 40 sec

  22. 22

    Turn right onto Greenville Road

    1.4 mi · 3 min · Greenville Road

  23. 23

    Turn right onto Follett Street

    1.2 km · 2 min · Follett Street

  24. 24

    At the end of the road, turn right onto Woonsocket Hill Road

    156 m · 25 sec · Woonsocket Hill Road

  25. 25

    Turn right

    35 m · 8 sec

  26. 26

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Portsmouth and North Smithfield.

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
26 steps
7 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
68.4 / 100 mi
Decision points by distance
Main Roads
I 195 West
8.52 mi · 22%
Eddie Dowling Highway
7.51 mi · 20%
Metacom Avenue
5.71 mi · 15%
Old Louisquisset Pike
2.95 mi · 8%
Market Street
2.58 mi · 7%
East Main Road
1.78 mi · 5%
Longest Stretch

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.

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
00h 54m
Day trip friendly
Same-Day Return
01h 50m
Round-trip wheel time
Road vs Air
+8.5 mi
29.5 mi direct line
Halfway Stop
East Providence
00h 27m from Portsmouth
Leave By
4:40 PM EDT
Morning start is best
Weather Watch

Chance Rain Showers leaving Portsmouth and Chance Rain Showers near North Smithfield.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Portsmouth to North Smithfield?

The road trip is about 38 miles (61.1 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 19 miles from Portsmouth and 19 miles from North Smithfield.

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 8.5 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 4:40 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.29 one way or $10.57 round trip. Estimated CO2 is about 11.9 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Portsmouth and Chance Rain Showers near North Smithfield.

Stop Ideas Near East Providence

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

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

RAIL

Providence station

4 mi away
100 Gaspee Street
RAIL

Kingston station

40 mi away
1 Railroad Avenue
RAIL

Route 128 station

47 mi away
50 University Ave
RAIL

Framingham station

52 mi away
417 Waverly St.

Flight Path Map

This map shows the direct air route between Portsmouth and North Smithfield. Straight-line distance: 29.52 mi (47.51 km).

Portsmouth

#1 Portsmouth

Town in Newport County, Rhode Island, USA

Population17,108
Coordinates41.6023200, -71.2503300
Altitude43
CountryUnited States
North Smithfield

#2 North Smithfield

Town in Providence County, Rhode Island, United States

Population12,576
Coordinates41.9667700, -71.5495100
Altitude111
CountryUnited States
Start: Portsmouth (-71.25033, 41.60232)
End: North Smithfield (-71.54951, 41.96677)

Estimated Travel Time

Distance: 61 km by road

SpeedTime
30 mph (48.3 km/h)01h 15m
40 mph (64.37 km/h)00h 56m
50 mph (80.47 km/h)00h 45m
60 mph (96.56 km/h)00h 37m
70 mph (112.65 km/h)00h 32m
80 mph (129 km/h)00h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.34 gal
5.07 L · about $5.29
Round trip
$10.57
2.68 gal · 10.14 L
Estimated CO2
11.9 kg one way
Round trip: 23.8 kg / 52 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $5.29 $10.57
Mid-grade $4.46 $5.97 $11.94
Premium $4.86 $6.51 $13.02
Diesel $6.00 $8.04 $16.07

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

There is no time difference between Portsmouth and North Smithfield. The current time is 10:56:26.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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