How far is Portland, ME from Smithfield, ME?
The driving distance from Portland, ME to Smithfield, ME is about 78.7 miles (126.6 km), with a travel time of about 01h 42m by car.
- The straight-line flight distance is about 70.5 miles (113.5 km).
- For a round trip, plan for roughly 03h 25m 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 42m.
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 Maine, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Portland and Smithfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portland and Smithfield.
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1
Start on Congress Street
40 m · 12 sec · Congress Street
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2
Turn left onto Elm Street
158 m · 22 sec · Elm Street
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3
Turn right onto Cumberland Avenue
1719 ft · 44 sec · Cumberland Avenue
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4
Turn left onto Franklin Street
1945 ft · 37 sec · Franklin Street
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5
Take the ramp slight right
1614 ft · 39 sec
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6
Merge slight left
46.3 mi · 52 min
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7
Merge slight left onto Maine Turnpike
9.8 mi · 11 min · Maine Turnpike
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8
Take the exit slight right toward ME 3: Augusta, Belfast
767 ft · 26 sec
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9
Keep slight left to continue on ME 3: Augusta, Belfast
130 m · 15 sec
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10
Enter the roundabout and take exit 3 toward Alfond Roundabout
73 m · 4 sec · Augusta Bypass
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11
Exit the rotary onto Augusta Bypass
1837 ft · 25 sec · Augusta Bypass
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12
Enter the roundabout and take exit 2 toward Bonenfant Roundabout
36 m · 2 sec
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13
Exit the rotary
80 m · 5 sec
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14
Turn straight onto Old Belgrade Road
1 mi · 2 min · Old Belgrade Road
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15
Turn right onto Civic Center Drive
1.3 mi · 2 min · Civic Center Drive
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16
Continue on Belgrade Road
2.1 mi · 3 min · Belgrade Road
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17
Continue on Augusta Road
3.6 mi · 5 min · Augusta Road
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18
Turn right onto Oakland Road
3.2 mi · 5 min · Oakland Road
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19
Turn slight left onto Smithfield Road
5.5 mi · 10 min · Smithfield Road
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20
Continue on Village Road
4 mi · 9 min · Village Road
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21
Turn left onto Mikes Lane
104 m · 25 sec · Mikes Lane
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22
Arrive at your destination
0 m · 1 sec · Mikes Lane
Car Route Details
A richer read on the saved driving route between Portland and Smithfield.
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.
Franklin Street
Merge slight left
46.3 mi · 00h 52m
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 Portland and Chance Rain Showers near Smithfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portland to Smithfield?
The road trip is about 78.7 miles (126.6 km) and usually takes 01h 42m 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?
Richmond is a useful midpoint, sitting about 39.3 miles from Portland and 39.3 miles from Smithfield.
How much longer is the road route than the straight-line distance?
The direct path is about 70.5 miles (113.5 km), while the road route adds roughly 8.2 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 3:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.97 one way or $21.93 round trip. Estimated CO2 is about 24.7 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Portland and Chance Rain Showers near Smithfield.
Stop Ideas Near Richmond
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 Richmond.
Wiscasset, Maine
Bath, Maine
Damariscotta, Maine
Brunswick Maine Street Station
Flight Path Map
This map shows the direct air route between Portland and Smithfield. Straight-line distance: 70.51 mi (113.48 km).
#1 Portland
The most populous city in Cumberland County, Maine.
| Population | 66,803 |
| Coordinates | 43.6573700, -70.2589000 |
| Altitude | 19 |
| Country | United States |
#2 Smithfield
Town in Maine, United States
| Population | 1,008 |
| Coordinates | 44.6303400, -69.8295000 |
| Altitude | 77 |
| Country | United States |
End: Smithfield (-69.8295, 44.63034)
Estimated Travel Time
Distance: 127 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 37m |
| 40 mph (64.37 km/h) | 01h 58m |
| 50 mph (80.47 km/h) | 01h 34m |
| 60 mph (96.56 km/h) | 01h 18m |
| 70 mph (112.65 km/h) | 01h 07m |
| 80 mph (129 km/h) | 00h 58m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $10.97 | $21.93 |
| Mid-grade | $4.46 | $12.39 | $24.78 |
| Premium | $4.86 | $13.51 | $27.01 |
| Diesel | $6.00 | $16.67 | $33.34 |
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 Maine · May 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.