How far is Petersburg, AK from Kenai, AK?
The driving distance from Petersburg, AK to Kenai, AK is about 1141.2 miles (1836.6 km), with a travel time of about 34h 27m by car.
- The straight-line flight distance is about 703.5 miles (1132.1 km).
- For a round trip, plan for roughly 68h 54m 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 34h 27m.
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.
Mostly Sunny then Slight Chance Snow Showers
Partly Sunny then Slight Chance Rain And Snow
Driving Route Map
The map below follows the saved road route between Petersburg and Kenai.
Turn-by-Turn Driving Directions
Step-by-step road directions between Petersburg and Kenai.
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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 - Petersburg-Juneau
144.3 mi · 7 hr 45 min · Alaska Marine Highway - Petersburg-Juneau
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5
Continue straight
107 m · 32 sec
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6
Turn left
53 m · 2 sec
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7
Turn straight onto Alaska Marine Highway - Juneau-Yakutat
262.6 mi · 17 hr · Alaska Marine Highway - Juneau-Yakutat
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8
Turn sharp left onto Alaska Marine Highway - Whittier-Yakutat
334.5 mi · 22 hr · Alaska Marine Highway - Whittier-Yakutat
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9
Continue straight
114 m · 7 sec
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10
At the end of the road, turn right onto West Camp Road
53 m · 9 sec · West Camp Road
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11
Continue on West Camp Road
1.4 mi · 2 min · West Camp Road
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12
Continue on Portage Glacier Highway
4.7 mi · 11 min · Portage Glacier Highway
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13
Continue on Portage Glacier Road
5 mi · 7 min · Portage Glacier Road
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14
At the end of the road, turn left onto Seward Highway
40.7 mi · 48 min · Seward Highway
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15
Take the exit slight right
58.4 mi · 1 hr 26 min
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16
Turn right onto Kalifornsky Beach Road
6 mi · 8 min · Kalifornsky Beach Road
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17
Turn right onto Bridge Access Road
3.3 mi · 5 min · Bridge Access Road
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18
Turn left onto Kenai Spur Highway
2847 ft · 1 min · Kenai Spur Highway
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19
Turn left onto Broad Street
28 m · 6 sec · Broad Street
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20
Turn right onto Frontage Road
142 m · 20 sec · Frontage Road
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21
Arrive at your destination
0 m · 1 sec · Frontage Road
Car Route Details
A richer read on the saved driving route between Petersburg and Kenai.
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 sharp left 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.
Mostly Sunny then Slight Chance Snow Showers leaving Petersburg and Partly Sunny then Slight Chance Rain And Snow near Kenai.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Petersburg to Kenai?
The road trip is about 1141.2 miles (1836.6 km) and usually takes 34h 27m 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 430.1 miles from Petersburg and 711.1 miles from Kenai.
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 437.7 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 $199.38 one way or $398.75 round trip. Estimated CO2 is about 357.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Snow Showers around Petersburg and Partly Sunny then Slight Chance Rain And Snow near Kenai.
Flight Path Map
This map shows the direct air route between Petersburg and Kenai. Straight-line distance: 703.42 mi (1132.05 km).
#1 Petersburg
Petersburg is a place in Alaska, United States.
| Population | 0 |
| Coordinates | 56.8125000, -132.9555600 |
| Altitude | 11 |
| Country | United States |
#2 Kenai
City in Alaska
| Population | 7,890 |
| Coordinates | 60.5544400, -151.2583300 |
| Altitude | 22 |
| Country | United States |
End: Frontage Road (-151.258293, 60.554244)
Estimated Travel Time
Distance: 1837 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 38h 01m |
| 40 mph (64.37 km/h) | 28h 31m |
| 50 mph (80.47 km/h) | 22h 49m |
| 60 mph (96.56 km/h) | 19h 01m |
| 70 mph (112.65 km/h) | 16h 18m |
| 80 mph (129 km/h) | 14h 14m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $199.38 | $398.75 |
| Mid-grade | $5.34 | $214.96 | $429.92 |
| Premium | $5.57 | $224.14 | $448.29 |
| Diesel | $6.37 | $256.36 | $512.72 |
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.