How far is Petersburg, AK from Ketchikan, AK?
The driving distance from Petersburg, AK to Ketchikan, AK is about 154 miles (247.8 km), with a travel time of about 09h 16m by car.
- The straight-line flight distance is about 113.5 miles (182.6 km).
- For a round trip, plan for roughly 18h 32m 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 09h 16m.
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 Prince of Wales-Hyder Census Area, Alaska, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Snow Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Petersburg and Ketchikan.
Turn-by-Turn Driving Directions
Step-by-step road directions between Petersburg and Ketchikan.
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1
Start on Fram Street
115 m · 22 sec · Fram Street
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2
Turn left onto North Nordic Drive
1.4 km · 2 min · North Nordic Drive
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3
Turn right
776 ft · 57 sec
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4
Turn straight onto Alaska Marine Highway - Wrangell-Petersburg
46.2 mi · 3 hr · Alaska Marine Highway - Wrangell-Petersburg
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5
Turn sharp right onto Alaska Marine Highway - Ketchikan ↔ Wrangell
102.1 mi · 6 hr · Alaska Marine Highway - Ketchikan ↔ Wrangell
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6
Continue on Main Berth Ramp
60 m · 34 sec · Main Berth Ramp
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7
Continue on Ketchikan Ferry Terminal Road
629 ft · 19 sec · Ketchikan Ferry Terminal Road
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8
At the end of the road, turn right onto Tongass Avenue
1.7 mi · 3 min · Tongass Avenue
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9
Turn right onto Water Street
1928 ft · 39 sec · Water Street
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10
Turn right onto Front Street
122 m · 12 sec · Front Street
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11
Turn right
3 m · 1 sec
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12
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Petersburg and Ketchikan.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Alaska Marine Highway - Ketchikan ↔ Wrangell
Turn sharp right onto Alaska Marine Highway - Ketchikan ↔ Wrangell
102 mi · 06h 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.
Mostly Sunny then Slight Chance Snow Showers leaving Petersburg and Mostly Sunny near Ketchikan.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Petersburg to Ketchikan?
The road trip is about 154 miles (247.8 km) and usually takes 09h 16m 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?
Coffman Cove is a useful midpoint, sitting about 75.6 miles from Petersburg and 78.3 miles from Ketchikan.
How much longer is the road route than the straight-line distance?
The direct path is about 113.5 miles (182.6 km), while the road route adds roughly 40.5 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 $26.88 one way or $53.77 round trip. Estimated CO2 is about 48.3 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Snow Showers around Petersburg and Mostly Sunny near Ketchikan.
Flight Path Map
This map shows the direct air route between Petersburg and Ketchikan. Straight-line distance: 113.44 mi (182.56 km).
#1 Petersburg
Petersburg is a place in Alaska, United States.
| Population | 0 |
| Coordinates | 56.8125000, -132.9555600 |
| Altitude | 11 |
| Country | United States |
#2 Ketchikan
City in Alaska, USA
| Population | 8,187 |
| Coordinates | 55.3418000, -131.6475700 |
| Altitude | 8 |
| Country | United States |
End: Front Street (-131.647548, 55.341795)
Estimated Travel Time
Distance: 248 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 07m |
| 40 mph (64.37 km/h) | 03h 50m |
| 50 mph (80.47 km/h) | 03h 04m |
| 60 mph (96.56 km/h) | 02h 33m |
| 70 mph (112.65 km/h) | 02h 11m |
| 80 mph (129 km/h) | 01h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $26.88 | $53.77 |
| Mid-grade | $5.34 | $28.99 | $57.97 |
| Premium | $5.57 | $30.22 | $60.45 |
| Diesel | $6.37 | $34.57 | $69.13 |
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.