How far is Kenai, AK from Petersburg, AK?
The driving distance from Kenai, AK to Petersburg, AK is about 863.5 miles (1389.7 km), with a travel time of about 49h 39m by car.
- The straight-line flight distance is about 703.5 miles (1132.1 km).
- For a round trip, plan for roughly 99h 18m 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 49h 39m.
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.
Partly Sunny then Slight Chance Rain And Snow
Mostly Sunny then Slight Chance Snow Showers
Driving Route Map
The map below follows the saved road route between Kenai and Petersburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kenai and Petersburg.
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1
Start on Frontage Road
142 m · 25 sec · Frontage Road
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2
Turn left onto Broad Street
28 m · 6 sec · Broad Street
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3
Turn right onto Kenai Spur Highway
2847 ft · 1 min · Kenai Spur Highway
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4
Turn right onto Bridge Access Road
3.3 mi · 5 min · Bridge Access Road
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5
Turn left onto Kalifornsky Beach Road
6 mi · 8 min · Kalifornsky Beach Road
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6
Turn left onto Sterling Highway
58.4 mi · 1 hr 26 min · Sterling Highway
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7
At the end of the road, turn left onto Seward Highway
41.4 mi · 49 min · Seward Highway
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8
Turn right onto Portage Glacier Road
5 mi · 7 min · Portage Glacier Road
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9
Continue on Portage Glacier Highway
4.7 mi · 11 min · Portage Glacier Highway
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10
Continue on West Camp Road
1.5 mi · 2 min · West Camp Road
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11
Turn right
52 m · 8 sec
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12
Turn left
76 m · 4 sec
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13
Turn straight onto Alaska Marine Highway - Whittier-Yakutat
334.5 mi · 22 hr · Alaska Marine Highway - Whittier-Yakutat
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14
Turn sharp right onto Alaska Marine Highway - Juneau-Yakutat
262.6 mi · 17 hr · Alaska Marine Highway - Juneau-Yakutat
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15
Continue straight
53 m · 6 sec
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16
Turn right
107 m · 26 sec
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17
Continue on Alaska Marine Highway - Petersburg-Juneau
144.3 mi · 7 hr 45 min · Alaska Marine Highway - Petersburg-Juneau
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18
Continue straight
620 ft · 45 sec
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19
Keep slight left
47 m · 17 sec
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20
At the end of the road, turn left onto South Nordic Drive
1.4 km · 2 min · South Nordic Drive
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21
Turn right onto Fram Street
115 m · 17 sec · Fram Street
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22
Arrive at your destination
0 m · 1 sec · Fram Street
Car Route Details
A richer read on the saved driving route between Kenai 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.
Partly Sunny then Slight Chance Rain And Snow leaving Kenai 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 Kenai to Petersburg?
The road trip is about 863.5 miles (1389.7 km) and usually takes 49h 39m 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 430.5 miles from Kenai and 433 miles from Petersburg.
How much longer is the road route than the straight-line distance?
The direct path is about 703.5 miles (1132.1 km), while the road route adds roughly 160 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 $150.86 one way or $301.71 round trip. Estimated CO2 is about 270.8 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Rain And Snow around Kenai and Mostly Sunny then Slight Chance Snow Showers near Petersburg.
Flight Path Map
This map shows the direct air route between Kenai and Petersburg. Straight-line distance: 703.42 mi (1132.05 km).
#1 Kenai
City in Alaska
| Population | 7,890 |
| Coordinates | 60.5544400, -151.2583300 |
| Altitude | 22 |
| 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: 1390 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 28h 46m |
| 40 mph (64.37 km/h) | 21h 35m |
| 50 mph (80.47 km/h) | 17h 16m |
| 60 mph (96.56 km/h) | 14h 23m |
| 70 mph (112.65 km/h) | 12h 20m |
| 80 mph (129 km/h) | 10h 46m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $150.86 | $301.71 |
| Mid-grade | $5.34 | $162.65 | $325.30 |
| Premium | $5.57 | $169.60 | $339.19 |
| Diesel | $6.37 | $193.97 | $387.94 |
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.