How far is Charlestown, RI from Smithfield, RI?
The driving distance from Charlestown, RI to Smithfield, RI is about 49.5 miles (79.7 km), with a travel time of about 00h 55m by car.
- The straight-line flight distance is about 37.5 miles (60.4 km).
- For a round trip, plan for roughly 01h 50m 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 55m.
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 Washington County, Rhode Island, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Charlestown and Smithfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Charlestown and Smithfield.
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1
Start on Old Post Road
63 m · 4 sec · Old Post Road
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2
Turn right
125 m · 7 sec
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3
Take the ramp slight right
135 m · 12 sec
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4
Merge slight left onto Post Road
1.6 mi · 2 min · Post Road
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5
Continue on Commodore Perry Highway
7.7 mi · 9 min · Commodore Perry Highway
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6
Continue on Post Road Freeway
1.1 km · 45 sec · Post Road Freeway
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7
Continue on Tower Hill Road
6.7 mi · 10 min · Tower Hill Road
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8
Keep slight left to continue on Tower Hill Road
1.4 km · 1 min · Tower Hill Road
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9
Turn straight onto Col Rodman Highway
10.1 mi · 13 min · Col Rodman Highway
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10
Merge slight right onto I 95 North: Providence
2.6 mi · 4 min
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11
Keep slight left to continue on I 295 North: Woonsocket
10.6 mi · 13 min
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12
Take the exit slight right toward RI 5: Johnston, Smithfield
1444 ft · 40 sec · I 295
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13
Turn left onto Greenville Avenue
1.4 mi · 2 min · Greenville Avenue
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14
Turn straight onto Sanderson Road
3066 ft · 54 sec · Sanderson Road
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15
Continue on Cedar Swamp Road
1.6 km · 1 min · Cedar Swamp Road
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16
Continue on Pleasant View Avenue
1.8 mi · 3 min · Pleasant View Avenue
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17
At the end of the road, turn left onto Farnum Pike
1.5 mi · 3 min · Farnum Pike
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18
Turn right onto Brayton Road
7 m · 1 sec · Brayton Road
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19
Arrive at your destination
0 m · 1 sec · Brayton Road
Car Route Details
A richer read on the saved driving route between Charlestown and Smithfield.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 295 North
Keep slight left to continue on I 295 North: Woonsocket
10.6 mi · 00h 13m
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.
Mostly Sunny leaving Charlestown and Partly Sunny near Smithfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Charlestown to Smithfield?
The road trip is about 49.5 miles (79.7 km) and usually takes 00h 55m 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?
Exeter is a useful midpoint, sitting about 23.7 miles from Charlestown and 25.8 miles from Smithfield.
How much longer is the road route than the straight-line distance?
The direct path is about 37.5 miles (60.4 km), while the road route adds roughly 12 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 $6.90 one way or $13.81 round trip. Estimated CO2 is about 15.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Charlestown and Partly Sunny near Smithfield.
Stop Ideas Near Exeter
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 Exeter.
Kingston station
Providence station
Westerly station
Foxwoods Casino, Connecticut
Flight Path Map
This map shows the direct air route between Charlestown and Smithfield. Straight-line distance: 37.54 mi (60.41 km).
#1 Charlestown
Neighborhood (former town) of Boston, Massachusetts, United States
| Population | 7,836 |
| Coordinates | 41.3831600, -71.6417300 |
| Altitude | 5 |
| Country | United States |
#2 Smithfield
County seat of Johnston County, North Carolina
| Population | 21,842 |
| Coordinates | 41.9220400, -71.5495100 |
| Altitude | 84 |
| Country | United States |
End: Brayton Road (-71.54954, 41.922082)
Estimated Travel Time
Distance: 80 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 39m |
| 40 mph (64.37 km/h) | 01h 14m |
| 50 mph (80.47 km/h) | 00h 59m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 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 | $3.95 | $6.90 | $13.81 |
| Mid-grade | $4.46 | $7.80 | $15.60 |
| Premium | $4.86 | $8.50 | $17.00 |
| Diesel | $6.00 | $10.49 | $20.99 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.