How far is Anchorage, AK from Petersburg, AK?
The driving distance from Anchorage, AK to Petersburg, AK is about 803.1 miles (1292.5 km), with a travel time of about 48h 12m by car.
- The straight-line flight distance is about 672.6 miles (1082.4 km).
- For a round trip, plan for roughly 96h 25m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM AKDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 48h 12m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
City in Alaska, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Snow Likely
Mostly Sunny then Slight Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Anchorage and Petersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Anchorage and Petersburg.
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1
Start on the route
26 m · 8 sec
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2
Turn right onto West 4th Avenue
1.6 km · 3 min · West 4th Avenue
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3
Turn right onto Gambell Street
1.2 mi · 3 min · Gambell Street
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4
Continue on Seward Highway
47.1 mi · 58 min · Seward Highway
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5
Turn left onto Portage Glacier Road
5 mi · 7 min · Portage Glacier Road
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6
Continue on Portage Glacier Highway
4.7 mi · 11 min · Portage Glacier Highway
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7
Continue on West Camp Road
1.5 mi · 2 min · West Camp Road
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8
Turn right
52 m · 8 sec
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9
Turn left
76 m · 4 sec
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10
Turn straight onto Alaska Marine Highway - Whittier-Yakutat
334.5 mi · 22 hr · Alaska Marine Highway - Whittier-Yakutat
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11
Turn sharp right onto Alaska Marine Highway - Juneau-Yakutat
262.6 mi · 17 hr · Alaska Marine Highway - Juneau-Yakutat
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12
Continue straight
53 m · 6 sec
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13
Turn right
107 m · 26 sec
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14
Continue on Alaska Marine Highway - Petersburg-Juneau
144.3 mi · 7 hr 45 min · Alaska Marine Highway - Petersburg-Juneau
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15
Continue straight
620 ft · 45 sec
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16
Keep slight left
47 m · 17 sec
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17
At the end of the road, turn left onto South Nordic Drive
1.4 km · 2 min · South Nordic Drive
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18
Turn right onto Fram Street
115 m · 17 sec · Fram Street
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19
Arrive at your destination
0 m · 1 sec · Fram Street
Car Route Details
A richer read on the saved driving route between Anchorage and Petersburg.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Alaska Marine Highway - Whittier-Yakutat
Turn straight onto Alaska Marine Highway - Whittier-Yakutat
334 mi · 22h 00m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Light Snow Likely leaving Anchorage and Mostly Sunny then Slight Chance Snow Showers near Petersburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Anchorage to Petersburg?
The road trip is about 803.1 miles (1292.5 km) and usually takes 48h 12m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Haines is a useful midpoint, sitting about 400.4 miles from Anchorage and 402.7 miles from Petersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 672.6 miles (1082.4 km), while the road route adds roughly 130.5 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 6:00 AM to 7:30 AM AKDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $140.31 one way or $280.62 round trip. Estimated CO2 is about 251.9 kg one way.
What should you check before leaving?
Before you leave, expect Light Snow Likely around Anchorage and Mostly Sunny then Slight Chance Snow Showers near Petersburg.
Flight Path Map
This map shows the direct air route between Anchorage and Petersburg. Straight-line distance: 672.55 mi (1082.36 km).
#1 Anchorage
The most populous city in Alaska and the center of the Anchorage metropolitan area.
| Population | 294,356 |
| Coordinates | 61.2180600, -149.9002800 |
| Altitude | 31 |
| Country | United States |
#2 Petersburg
Petersburg is a place in Alaska, United States.
| Population | 0 |
| Coordinates | 56.8125000, -132.9555600 |
| Altitude | 11 |
| Country | United States |
End: Petersburg (-132.95556, 56.8125)
Estimated Travel Time
Distance: 1293 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 26h 45m |
| 40 mph (64.37 km/h) | 20h 04m |
| 50 mph (80.47 km/h) | 16h 03m |
| 60 mph (96.56 km/h) | 13h 23m |
| 70 mph (112.65 km/h) | 11h 28m |
| 80 mph (129 km/h) | 10h 01m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $140.31 | $280.62 |
| Mid-grade | $5.34 | $151.28 | $302.56 |
| Premium | $5.57 | $157.74 | $315.48 |
| Diesel | $6.37 | $180.41 | $360.82 |
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 Alaska · Apr 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.