How far is Smithfield, RI from Charlestown, RI?
The driving distance from Smithfield, RI to Charlestown, RI is about 43.9 miles (70.7 km), with a travel time of about 01h 01m by car.
- The straight-line flight distance is about 37.5 miles (60.4 km).
- For a round trip, plan for roughly 02h 03m 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 01h 01m.
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 Kent County, Rhode Island, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Smithfield and Charlestown.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smithfield and Charlestown.
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1
Start on Brayton Road
7 m · 3 sec · Brayton Road
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2
Turn left onto Farnum Pike
1.4 mi · 3 min · Farnum Pike
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3
Turn right onto Pleasant View Avenue
1.8 mi · 3 min · Pleasant View Avenue
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4
Keep slight left to continue on Cedar Swamp Road
1.6 km · 1 min · Cedar Swamp Road
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5
Continue on Sanderson Road
3066 ft · 54 sec · Sanderson Road
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6
Continue on Greenville Avenue
1.3 mi · 2 min · Greenville Avenue
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7
Take the ramp right toward I 295 South
1587 ft · 39 sec · I 295
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8
Merge slight left
10.5 mi · 12 min
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9
Merge slight left
3 mi · 4 min
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10
Keep slight left to continue on RI 4 South: North Kingstown
6 mi · 8 min
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11
Take the exit slight right toward RI 102 North, RI 2 South: Exeter
2157 ft · 1 min
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12
Turn straight onto Ten Rod Road
1 km · 1 min · Ten Rod Road
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13
Turn left onto South County Trail
16.4 mi · 24 min · South County Trail
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14
Take the ramp right
91 m · 8 sec
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15
Merge slight left onto Post Road
646 ft · 8 sec · Post Road
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16
Take the exit slight left
689 ft · 19 sec
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17
Merge slight right onto Post Road
615 ft · 8 sec · Post Road
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18
Take the exit slight right
654 ft · 14 sec
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19
Turn left onto Old Post Road
63 m · 4 sec · Old Post Road
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20
Arrive at your destination
0 m · 1 sec · Old Post Road
Car Route Details
A richer read on the saved driving route between Smithfield and Charlestown.
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.
South County Trail
Turn left onto South County Trail
16.4 mi · 00h 24m
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.
Slight Chance Rain Showers leaving Smithfield and Slight Chance Rain Showers near Charlestown.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smithfield to Charlestown?
The road trip is about 43.9 miles (70.7 km) and usually takes 01h 01m 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 Greenwich is a useful midpoint, sitting about 22 miles from Smithfield and 22 miles from Charlestown.
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 6.4 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 4:26 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.11 one way or $12.23 round trip. Estimated CO2 is about 13.8 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Smithfield and Slight Chance Rain Showers near Charlestown.
Stop Ideas Near East Greenwich
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 Greenwich.
Providence station
Kingston station
Westerly station
Foxwoods Casino, Connecticut
Flight Path Map
This map shows the direct air route between Smithfield and Charlestown. Straight-line distance: 37.54 mi (60.41 km).
#1 Smithfield
County seat of Johnston County, North Carolina
| Population | 21,842 |
| Coordinates | 41.9220400, -71.5495100 |
| Altitude | 84 |
| Country | United States |
#2 Charlestown
Neighborhood (former town) of Boston, Massachusetts, United States
| Population | 7,836 |
| Coordinates | 41.3831600, -71.6417300 |
| Altitude | 5 |
| Country | United States |
End: Charlestown (-71.64173, 41.38316)
Estimated Travel Time
Distance: 71 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 27m |
| 40 mph (64.37 km/h) | 01h 05m |
| 50 mph (80.47 km/h) | 00h 52m |
| 60 mph (96.56 km/h) | 00h 43m |
| 70 mph (112.65 km/h) | 00h 37m |
| 80 mph (129 km/h) | 00h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $6.11 | $12.23 |
| Mid-grade | $4.46 | $6.91 | $13.82 |
| Premium | $4.86 | $7.53 | $15.06 |
| Diesel | $6.00 | $9.30 | $18.59 |
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.