Region
Russia
3
Australia
2
Canada
2
East Asia
2
Nikiski
2
North America
2
North Slope
2
United States
2
Asia Pacific region
1
China
1
Fairbanks North Star Borough
1
Hawaii
1
Japan
1
Northern Sea Route
1
Northwest Territories
1
Point Thomson
1
Prudhoe Bay
1
Prudhoe Bay/Point Thomson to Nikiski route
1
Tetlin National Wildlife Refuge
1
Whitehorse
1
Yukon
1