Nonstop flight route between Roundup, Montana, United States and Kassala, Sudan:
Departure Airport:
(46°28'30"N by 108°32'35"W)
Arrival Airport:
(15°23'13"N by 36°19'42"E)
Distance from RPX to KSL:
7,636.73 miles (12,290.09 km)
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Jump to:
- About this route
- RPX Airport Information
- KSL Airport Information
- Facts about RPX
- Facts about KSL
- 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 KSL
- List of Nearest Airports to KSL
- Map of Furthest Airports from KSL
- List of Furthest Airports from KSL
About this route:
A direct, nonstop flight between Roundup Airport (RPX), Roundup, Montana, United States and Kassala Airport (KSL), Kassala, Sudan would travel a Great Circle distance of 7,637 miles (or 12,290 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 Kassala 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 Roundup Airport and Kassala Airport. 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: | KSL / HSKA |
| Airport Name: | Kassala Airport |
| Location: | Kassala, Sudan |
| GPS Coordinates: | 15°23'13"N by 36°19'42"E |
| Area Served: | Kassala, Sudan |
| Operator/Owner: | Government |
| Airport Type: | Public |
| Elevation: | 1671 feet (509 meters) |
| # of Runways: | 1 |
| View all routes: | Routes from KSL |
| More Information: | KSL Maps & Info |
Facts about Roundup Airport (RPX):
- 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.
- 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.
Facts about Kassala Airport (KSL):
- The furthest airport from Kassala Airport (KSL) is Makemo Airport (MKP), which is nearly antipodal to Kassala Airport (meaning Kassala Airport is almost on the exact opposite side of the Earth from Makemo Airport), and is located 12,354 miles (19,882 kilometers) away in Makemo, French Polynesia.
- The closest airport to Kassala Airport (KSL) is Khashm El Girba Airport (GBU), which is located 44 miles (71 kilometers) SW of KSL.
- Kassala Airport (KSL) currently has only 1 runway.
| 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 | 43.85 miles (70.57 km) SW | Khashm El Girba Airport (GBU) | Khashm El Girba, Sudan | |
| 2 | 113.75 miles (183.06 km) SSE | Humera Airport (HUE) | Humera, Ethiopia | |
| 3 | 172.17 miles (277.08 km) E | Asmara International Airport (ASM) | Asmara, Eritrea | |
| 4 | 184.94 miles (297.62 km) ESE | Axum Emperor Yohannes IV Airport (AXU) | Axum, Ethiopia | |
| 5 | 203.36 miles (327.28 km) E | Massawa International Airport (MSW) | Massawa, Eritrea | |
| 6 | 211.53 miles (340.42 km) SSE | Gondar Atse Tewodros Airport (GDQ) | Gondar, Ethiopia | |
| 7 | 214.58 miles (345.33 km) SSW | Galegu Airport (DNX) | Dinder, Sudan | |
| 8 | 219.96 miles (353.99 km) NW | Atbara Airport (ATB) | Atbara, Sudan | |
| 9 | 251.77 miles (405.18 km) W | Khartoum International Airport (KRT) | Khartoum, Sudan | |
| 10 | 252.15 miles (405.79 km) ESE | Alula Aba Nega Airport (MQX) | Mekelle, Tigray, Ethiopia | |
| 11 | 266.98 miles (429.66 km) SSE | Debre Tabor Airport (DBT) | Debre Tabor, Ethiopia | |
| 12 | 285.88 miles (460.08 km) NNE | Port Sudan New International Airport (PZU) | Port Sudan, Sudan | |
| 13 | 295.90 miles (476.20 km) SE | Lalibela Airport (LLI) | Lalibela, Ethiopia | |
| 14 | 360.76 miles (580.58 km) SSE | Mekane Selam Airport (MKS) | Mekane Selam, Ethiopia | |
| 15 | 364.78 miles (587.05 km) NW | Merowe Airport (MWE) | Merowe, Sudan | |
| Rank | Distance & Direction | Airport Name & IATA Code | Airport Location | Further Actions |
| 1 | 12,353.82 miles (19,881.50 km) S | Makemo Airport (MKP) | Makemo, French Polynesia | |
| 2 | 12,345.21 miles (19,867.64 km) WSW | Raroia Airport (RRR) | Raroia, French Polynesia | |
| 3 | 12,296.93 miles (19,789.95 km) ESE | Fakarava Airport (FAV) | Fakarava, Society Islands, French Polynesia | |
| 4 | 12,263.68 miles (19,736.43 km) ESE | Manihi Airport (XMH) | Manihi, French Polynesia | |
| 5 | 12,254.42 miles (19,721.53 km) SE | Anaa Airport (AAA) | Anaa, Tuamotus, French Polynesia | |
| 6 | 12,253.73 miles (19,720.42 km) E | Apataki Airport (APK) | Apataki, French Polynesia | |
| 7 | 12,251.89 miles (19,717.45 km) ESE | Ahe Airport (AHE) | Ahe, French Polynesia | |
| 8 | 12,249.11 miles (19,712.98 km) W | Fangatau Airport (FGU) | Fangatau, French Polynesia | |
| 9 | 12,240.05 miles (19,698.40 km) E | Arutua Airport (AXR) | Arutua, Tuamotus, French Polynesia | |
| 10 | 12,177.96 miles (19,598.48 km) SW | Hao Airport (HOI) | Hao, Tuamotu Island, French Polynesia | |
| 11 | 12,098.76 miles (19,471.02 km) E | Mataiva Airport (MVT) | Mataiva, French Polynesia | |
| 12 | 12,016.21 miles (19,338.17 km) SW | Nukutavake Airport (NUK) | Nukutavake, Tuamotus, French Polynesia | |
| 13 | 12,015.69 miles (19,337.33 km) ESE | Fa'a'ā International Airport (PPT) | Papeete, Tahiti, French Polynesia | |
| 14 | 12,007.87 miles (19,324.74 km) ESE | Moorea Airport (MOZ) | Moorea, Windward Islands, French Polynesia | |
| 15 | 11,953.10 miles (19,236.61 km) WSW | Pukarua Airport (PUK) | Pukarua, Tuamotus, French Polynesia | |