How far is Union, ME from Sanford, ME?
The driving distance from Union, ME to Sanford, ME is about 106.3 miles (171 km), with a travel time of about 02h 03m by car.
- The straight-line flight distance is about 91.8 miles (147.8 km).
- For a round trip, plan for roughly 04h 06m 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 02h 03m.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Union and Sanford.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union and Sanford.
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1
Start on Common Road
3192 ft · 2 min · Common Road
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2
At the end of the road, turn left onto Heald Highway
3.3 mi · 5 min · Heald Highway
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3
Continue on Rockland Road
2.2 mi · 3 min · Rockland Road
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4
Continue on Augusta Road
3.5 mi · 5 min · Augusta Road
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5
Continue on Rockland Road
6.2 mi · 9 min · Rockland Road
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6
Continue on Augusta-Rockland Road
4.1 mi · 6 min · Augusta-Rockland Road
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7
Continue on Augusta Road
1.5 km · 1 min · Augusta Road
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8
Continue on Eastern Avenue
1.1 mi · 2 min · Eastern Avenue
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9
Continue on Augusta Road
3098 ft · 59 sec · Augusta Road
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10
Turn left onto Togus Road
3.7 mi · 7 min · Togus Road
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11
Continue on Windsor Street
1.7 mi · 3 min · Windsor Street
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12
Turn right onto Water Street
1025 ft · 35 sec · Water Street
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13
Turn left onto Bridge Street
2616 ft · 48 sec · Bridge Street
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14
Continue on Brunswick Avenue
4.8 mi · 7 min · Brunswick Avenue
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15
Take the ramp left
1832 ft · 45 sec
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16
Merge slight left
46.8 mi · 54 min
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17
Keep slight left
2.6 mi · 4 min
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18
Merge slight left onto Maine Turnpike
11.6 mi · 12 min · Maine Turnpike
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19
Take the exit slight right toward ME 111: Biddeford
1.2 km · 2 min
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20
Turn right onto Alfred Street
1.4 mi · 2 min · Alfred Street
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21
Continue on Alfred Road
8.2 mi · 9 min · Alfred Road
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22
Continue on Biddeford Road
1.8 mi · 2 min · Biddeford Road
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23
Continue on Sanford Road
2.4 mi · 4 min · Sanford Road
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24
Continue on Cottage Street
1.2 mi · 3 min · Cottage Street
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25
Turn left onto River Street
872 ft · 26 sec · River Street
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26
Continue on Washington Street
763 ft · 25 sec · Washington Street
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27
Turn left
27 m · 7 sec
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28
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Union and Sanford.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Brunswick Avenue
Merge slight left
46.8 mi · 00h 54m
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 Union and Slight Chance Rain Showers near Sanford.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union to Sanford?
The road trip is about 106.3 miles (171 km) and usually takes 02h 03m 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?
Topsham is a useful midpoint, sitting about 55.5 miles from Union and 50.8 miles from Sanford.
How much longer is the road route than the straight-line distance?
The direct path is about 91.8 miles (147.8 km), while the road route adds roughly 14.5 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 2:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.79 one way or $29.59 round trip. Estimated CO2 is about 33.3 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Union and Slight Chance Rain Showers near Sanford.
Stop Ideas Near Topsham
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 Topsham.
Brunswick Maine Street Station
Freeport
Bath, Maine
Wiscasset, Maine
Flight Path Map
This map shows the direct air route between Union and Sanford. Straight-line distance: 91.85 mi (147.82 km).
#1 Union
Town in Knox County, Maine, United States
| Population | 2,275 |
| Coordinates | 44.2114700, -69.2742100 |
| Altitude | 28 |
| Country | United States |
#2 Sanford
City in York County, Maine, United States
| Population | 21,253 |
| Coordinates | 43.4392500, -70.7742200 |
| Altitude | 92 |
| Country | United States |
End: (-70.77414, 43.439348)
Estimated Travel Time
Distance: 171 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 32m |
| 40 mph (64.37 km/h) | 02h 39m |
| 50 mph (80.47 km/h) | 02h 07m |
| 60 mph (96.56 km/h) | 01h 46m |
| 70 mph (112.65 km/h) | 01h 31m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $14.79 | $29.59 |
| Mid-grade | $4.46 | $16.71 | $33.43 |
| Premium | $4.86 | $18.22 | $36.43 |
| Diesel | $6.00 | $22.49 | $44.98 |
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 02, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.