Nonstop flight route between Rockford, Illinois, United States and St. Paul Island, Alaska, United States:
Departure Airport:

Arrival Airport:

Distance from RFD to SNP:
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- About this route
- RFD Airport Information
- SNP Airport Information
- Facts about RFD
- Facts about SNP
- Map of Nearest Airports to RFD
- List of Nearest Airports to RFD
- Map of Furthest Airports from RFD
- List of Furthest Airports from RFD
- Map of Nearest Airports to SNP
- List of Nearest Airports to SNP
- Map of Furthest Airports from SNP
- List of Furthest Airports from SNP
About this route:
A direct, nonstop flight between Chicago Rockford International Airport (RFD), Rockford, Illinois, United States and St. Paul Island Airport (SNP), St. Paul Island, Alaska, United States would travel a Great Circle distance of 3,539 miles (or 5,695 kilometers).
A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Chicago Rockford International Airport and St. Paul Island Airport, the route shown on this map most likely appears curved because of this reason.
Try it at home! Get a globe and tightly lay a string between Chicago Rockford International Airport and St. Paul Island Airport. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
IATA / ICAO Codes: | RFD / KRFD |
Airport Name: | Chicago Rockford International Airport |
Location: | Rockford, Illinois, United States |
GPS Coordinates: | 42°11'43"N by 89°5'49"W |
Area Served: | Rockford, Illinois |
Operator/Owner: | Greater Rockford Airport Authority |
Airport Type: | Public |
Elevation: | 742 feet (226 meters) |
# of Runways: | 2 |
View all routes: | Routes from RFD |
More Information: | RFD Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | SNP / PASN |
Airport Name: | St. Paul Island Airport |
Location: | St. Paul Island, Alaska, United States |
GPS Coordinates: | 57°10'1"N by 170°13'14"W |
Area Served: | St. Paul Island, Alaska |
Operator/Owner: | Alaska DOT&PF - Central Region |
Airport Type: | Public |
Elevation: | 63 feet (19 meters) |
# of Runways: | 1 |
View all routes: | Routes from SNP |
More Information: | SNP Maps & Info |
Facts about Chicago Rockford International Airport (RFD):
- The closest airport to Chicago Rockford International Airport (RFD) is Southern Wisconsin Regional Airport (JVL), which is located 30 miles (47 kilometers) N of RFD.
- Chicago Rockford International Airport (RFD) has 2 runways.
- Today the Rockford airport is marketed to residents of Rockford and surrounding areas as an alternative to Chicago Midway International Airport and O'Hare International Airport in Chicago, Mitchell International Airport in Milwaukee, WI and Dane County Regional Airport in Madison, Wisconsin as well as limited service airports such as Dubuque Regional Airport in Iowa.
- After an 11-year hiatus, the airport resumed hosting airshows in 2005.
- Located in between the two runways, the smaller south cargo apron is home to one of the two FBOs at the airport.
- RFD was once the company headquarters for Ryan International Airlines, staging many of its aircraft at the airport for charter hire.
- Because of Chicago Rockford International Airport's relatively low elevation of 742 feet, planes can take off or land at Chicago Rockford International Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- The airport is in a foreign-trade zone.
- The furthest airport from Chicago Rockford International Airport (RFD) is Margaret River Airport (MGV), which is located 11,008 miles (17,716 kilometers) away in Margaret River, Western Australia, Australia.
Facts about St. Paul Island Airport (SNP):
- The closest airport to St. Paul Island Airport (SNP) is St. George Airport (STG), which is located 46 miles (74 kilometers) SSE of SNP.
- The furthest airport from St. Paul Island Airport (SNP) is Cape Town International Airport (CPT), which is located 10,781 miles (17,351 kilometers) away in Cape Town, South Africa.
- Because of St. Paul Island Airport's relatively low elevation of 63 feet, planes can take off or land at St. Paul Island Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
- St. Paul Island Airport (SNP) currently has only 1 runway.