Nonstop flight route between Roundup, Montana, United States and Marham, Norfolk, East Anglia, United Kingdom:
Departure Airport:
(46°28'30"N by 108°32'35"W)
Arrival Airport:
(52°38'53"N by 0°33'2"E)
Distance from RPX to KNF:
4,416.10 miles (7,107.00 km)
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Jump to:
- About this route
- RPX Airport Information
- KNF Airport Information
- Facts about RPX
- Facts about KNF
- Map of Nearest Airports to RPX
- List of Nearest Airports to RPX
- Map of Furthest Airports from RPX
- List of Furthest Airports from RPX
- Map of Nearest Airports to KNF
- List of Nearest Airports to KNF
- Map of Furthest Airports from KNF
- List of Furthest Airports from KNF
About this route:
A direct, nonstop flight between Roundup Airport (RPX), Roundup, Montana, United States and RAF Marham (KNF), Marham, Norfolk, East Anglia, United Kingdom would travel a Great Circle distance of 4,416 miles (or 7,107 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 Roundup Airport and RAF Marham, 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 Roundup Airport and RAF Marham. You'll see that it will travel the same route of the red line on this map!
Departure Airport Information:
| IATA / ICAO Codes: | RPX / KRPX |
| Airport Name: | Roundup Airport |
| Location: | Roundup, Montana, United States |
| GPS Coordinates: | 46°28'30"N by 108°32'35"W |
| Area Served: | Roundup, Montana |
| Operator/Owner: | City of Roundup & Musselshell County |
| Airport Type: | Public |
| Elevation: | 3490 feet (1,064 meters) |
| # of Runways: | 2 |
| View all routes: | Routes from RPX |
| More Information: | RPX Maps & Info |
Arrival Airport Information:
| IATA / ICAO Codes: | KNF / EGYM |
| Airport Name: | RAF Marham |
| Location: | Marham, Norfolk, East Anglia, United Kingdom |
| GPS Coordinates: | 52°38'53"N by 0°33'2"E |
| Operator/Owner: | Ministry of Defence |
| View all routes: | Routes from KNF |
| More Information: | KNF Maps & Info |
Facts about Roundup Airport (RPX):
- The closest airport to Roundup Airport (RPX) is Billings Logan International Airport (BIL), which is located 46 miles (74 kilometers) S of RPX.
- Roundup Airport (RPX) has 2 runways.
- The furthest airport from Roundup Airport (RPX) is Sir Gaëtan Duval Airport (RRG), which is located 10,535 miles (16,954 kilometers) away in Rodrigues Island, Mauritius.
Facts about RAF Marham (KNF):
- The closest airport to RAF Marham (KNF) is RAF Lakenheath (LKZ), which is located only 17 miles (27 kilometers) S of KNF.
- The GR4A is the reconnaissance variant of the Panavia Tornado but the modern reconnaissance equipment used on the Tornado is interchangeable between the GR4 and GR4A variants, and as such each squadron uses a mix of the two variants.
- Formerly the Tactical Armament Squadron, its mission statement is "To deliver and develop specialist, expeditionary armament capability to support UK defence policy".
- During March 1944, RAF Marham closed for the construction of new concrete runways, perimeter track, and dispersal areas, marking the end of its wartime operations.
- The furthest airport from RAF Marham (KNF) is Chatham Islands (CHT), which is located 11,811 miles (19,008 kilometers) away in Waitangi, Chatham Islands, New Zealand.
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 46.10 miles (74.19 km) S | Billings Logan International Airport (BIL) | Billings, Montana, United States |     |
| 2 | 59.02 miles (94.99 km) NW | Lewistown Municipal Airport (LWT) | Lewistown, Montana, United States | |
| 3 | 95.49 miles (153.67 km) NE | Jordan Airport (JDN) | Jordan, Montana, United States | |
| 4 | 105.84 miles (170.33 km) WSW | Mission Field (LVM) | Livingston, Montana, United States | |
| 5 | 126.53 miles (203.63 km) E | Miles City Airport (MLS) | Miles City, Montana, United States | |
| 6 | 133.88 miles (215.46 km) WSW | Bozeman Yellowstone International Airport (BZN) | Bozeman, Montana, United States | |
| 7 | 137.05 miles (220.56 km) S | Yellowstone Regional Airport (COD) | Cody, Wyoming, United States | |
| 8 | 139.98 miles (225.28 km) SSE | Sheridan County Airport (SHR) | Sheridan, Wyoming, United States | |
| 9 | 143.48 miles (230.90 km) WNW | Malmstrom Air Force Base (GFA) | Great Falls, Montana, United States | |
| 10 | 150.20 miles (241.73 km) NE | Glasgow International Airport (GGW) | Glasgow, Montana, United States | |
| 11 | 150.36 miles (241.97 km) WNW | Great Falls International Airport (GTF) | Great Falls, Montana, United States | |
| 12 | 153.79 miles (247.50 km) NNW | Havre City-County Airport (HVR) | Havre, Montana, United States | |
| 13 | 163.70 miles (263.45 km) W | Helena Regional Airport (HLN) | Helena, Montana, United States | |
| 14 | 175.30 miles (282.12 km) SW | Yellowstone Airport (WYS) | West Yellowstone, Montana, United States | |
| 15 | 175.96 miles (283.18 km) S | Worland Municipal Airport (WRL) | Worland, Wyoming, United States | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 10,534.71 miles (16,953.93 km) SSE | Sir Gaëtan Duval Airport (RRG) | Rodrigues Island, Mauritius | |
| 2 | 10,479.36 miles (16,864.85 km) SSE | Pierrefonds Airport (ZSE) | Saint-Pierre, Réunion | |
| 3 | 10,476.57 miles (16,860.37 km) SSE | Sir Seewoosagur Ramgoolam International Airport (MRU) | Plaisance, Mauritius | |
| 4 | 10,454.31 miles (16,824.54 km) SSE | Roland Garros Airport (RUN) | St Denis, Réunion, France | |
| 5 | 10,433.23 miles (16,790.61 km) SE | Tôlanaro Airport (FTU) | Tôlanaro, Madagascar | |
| 6 | 10,330.91 miles (16,625.95 km) SE | Ampanihy Airport (AMP) | Ampanihy, Madagascar | |
| 7 | 10,261.65 miles (16,514.48 km) SE | Mananjary Airport (MNJ) | Mananjary, Madagascar | |
| 8 | 10,233.41 miles (16,469.03 km) SE | Fianarantsoa Airport (WFI) | Fianarantsoa, Madagascar | |
| 9 | 10,132.24 miles (16,306.22 km) SE | Manja Airport (MJA) | Manja, Menabe, Madagascar | |
| 10 | 10,132.23 miles (16,306.21 km) SE | Andavadoaka Airport (DVD) | Andavadoaka, Toliara province, Atsimo-Andrefana region, Madagascar | |
| 11 | 10,116.24 miles (16,280.48 km) SE | Morombe Airport (MXM) | Morombe, Madagascar | |
| 12 | 10,108.66 miles (16,268.28 km) SE | Toamasino Airport (TMM) | Toamasina, Madagascar | |
| 13 | 10,089.56 miles (16,237.54 km) SE | Ivato International Airport (TNR) | Antananarivo, Madagascar | |
| 14 | 10,066.19 miles (16,199.92 km) SE | Miandrivazo Airport (ZVA) | Miandrivazo, Madagascar | |
| 15 | 10,059.04 miles (16,188.42 km) SE | Sainte Marie Airport (SMS) | Île Sainte-Marie, Madagascar | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 16.58 miles (26.69 km) S | RAF Lakenheath (LKZ) | Lakenheath, England, United Kingdom | |
| 2 | 19.79 miles (31.86 km) S | RAF Mildenhall (MHZ) | Mildenhall, Suffolk, England, United Kingdom | |
| 3 | 23.11 miles (37.19 km) SSE | RAF Honington USAAF Station 375 (BEQ) | Bury St. Edmunds, England, United Kingdom | |
| 4 | 30.74 miles (49.48 km) E | Norwich International Airport (NWI) | Norwich, England, United Kingdom | |
| 5 | 34.42 miles (55.40 km) E | Coltishall (IATA off-point) (CLF) | Coltishall, United Kingdom | |
| 6 | 34.48 miles (55.48 km) SSW | Cambridge International Airport (CBG) | Cambridge, England, United Kingdom | |
| 7 | 38.02 miles (61.19 km) WSW | RAF AlconburyUSAAF Station 102 (AYH) | Alconbury, England, United Kingdom | |
| 8 | 42.37 miles (68.20 km) SSW | Duxford Aerodrome (QFO) | Duxford, England, United Kingdom | |
| 9 | 42.87 miles (68.99 km) NW | RAF Coningsby (QCY) | Coningsby, England, United Kingdom | |
| 10 | 46.64 miles (75.05 km) S | MDPGA Wethersfield (WXF) | Braintree, England, United Kingdom | |
| 11 | 50.59 miles (81.42 km) SSE | Ipswich Airport (IPW) | Ipswich, England | |
| 12 | 50.65 miles (81.51 km) W | RAF Cottesmore (OKH) | Oakham, England, United Kingdom | |
| 13 | 54.40 miles (87.55 km) SSW | London Stansted Airport (STN) | Essex (near London), England, United Kingdom | |
| 14 | 61.25 miles (98.58 km) WSW | Sywell Aerodrome (ORM) | Northampton / Peterborough, United Kingdom | |
| 15 | 63.49 miles (102.18 km) NNW | RAF Binbrook (GSY) | Grimsby, England, United Kingdom | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 11,810.94 miles (19,007.81 km) SSW | Chatham Islands (CHT) | Waitangi, Chatham Islands, New Zealand | |
| 2 | 11,779.79 miles (18,957.69 km) SE | Dunedin International Airport (DUD) | Dunedin, Otago, New Zealand | |
| 3 | 11,755.43 miles (18,918.48 km) ESE | Ryan's Creek Aerodrome (SZS) | Stewart Island, New Zealand | |
| 4 | 11,754.53 miles (18,917.04 km) SE | Oamaru Airport (OAM) | Oamaru, North Otago, New Zealand | |
| 5 | 11,740.63 miles (18,894.67 km) ESE | Invercargill Airport (IVC) | Invercargill, New Zealand | |
| 6 | 11,720.45 miles (18,862.19 km) SE | Richard Pearse Airport (Timaru Airport) (TIU) | Timaru, New Zealand | |
| 7 | 11,716.26 miles (18,855.44 km) SE | Alexandra Aerodrome (ALR) | Alexandra, New Zealand | |
| 8 | 11,711.92 miles (18,848.46 km) SE | Ashburton Aerodrome (ASG) | Ashburton, New Zealand | |
| 9 | 11,704.67 miles (18,836.79 km) SSE | Christchurch International Airport (CHC) | Christchurch, New Zealand | |
| 10 | 11,686.30 miles (18,807.24 km) SE | Wanaka Airport (WKA) | Wanaka, New Zealand | |
| 11 | 11,686.07 miles (18,806.85 km) SE | Queenstown Airport (ZQN) | Queenstown, New Zealand | |
| 12 | 11,667.38 miles (18,776.79 km) SE | Glentanner Aerodrome (GTN) | Mount Cook, New Zealand | |
| 13 | 11,660.49 miles (18,765.70 km) SSE | Kaikoura Aerodrome (KBZ) | Kaikoura, New Zealand | |
| 14 | 11,659.62 miles (18,764.30 km) SE | Mount Cook Airport (MON) | Mount Cook, New Zealand | |
| 15 | 11,641.60 miles (18,735.30 km) SE | Milford Sound Airport (MFN) | Milford Sound, New Zealand | |