The opposite side of the world to Wadi Halfa is Mataura, Austral Islands, French Polynesia.
Sudan
Continent: Africa
Coordinates: 21.796, 31.371
South Pacific Ocean
Exact location on the other side of the world
Coordinates: -21.796, -148.629
French Polynesia
Mataura is the closest city to Wadi Halfa's antipodal point (193 km).
The antipodal city to Wadi Halfa is Mataura. This means that, among all the populated locations in the world, the farthest city from Wadi Halfa is Mataura.
The distance from Wadi Halfa to Mataura is about 20,000 kilometers. A direct flight would take around 22 hours, but there aren't commercial routes between these cities.
This table contains the populated locations that are closest to Wadi Halfa's antipode. These are the farthest cities in the world from Wadi Halfa.
| City | Country | Distance from antipode | Coordinates |
|---|---|---|---|
| Mataura, Austral Islands | French Polynesia | 193 km | (-23.347, -149.485) |
| Moerai, Austral Islands | French Polynesia | 289 km | (-22.451, -151.342) |
| Avera, Austral Islands | French Polynesia | 291 km | (-22.478, -151.351) |
| Teahupoo, Îles du Vent | French Polynesia | 442 km | (-17.846, -149.267) |
| Vairao, Îles du Vent | French Polynesia | 449 km | (-17.783, -149.283) |
| Tautira, Îles du Vent | French Polynesia | 452 km | (-17.747, -149.161) |
| Tohautu, Îles du Vent | French Polynesia | 452 km | (-17.761, -149.317) |
| Otutara, Îles du Vent | French Polynesia | 453 km | (-17.772, -149.413) |
| Pueu, Îles du Vent | French Polynesia | 453 km | (-17.738, -149.224) |
| Taunoa, Îles du Vent | French Polynesia | 454 km | (-17.751, -149.356) |
Local time:
Time Zone: Africa/Khartoum
Coordinates: 21.7958° N 31.3713° E
Elevation: 184 m (604 ft)
Local time:
Time Zone: Pacific/Tahiti
Coordinates: 23.3472° S 149.4849° W
Elevation: 21 m (69 ft)
The antipode can be calculated by understanding the geographic coordinates and applying simple formulas. We will use the following variables:
Step 1: Obtain the geographic coordinates of Wadi Halfa
The DMS coordinates are: 21°47'44.8'' N 31°22'16.6'' E .
Calculations are easier by using the decimal format, hence:
LatO = 21.79577°
LngO = 31.37129°
Step 2: Calculate the latitude
LatA = - LatO = -21.79577°
Since the latitude is positive (north direction), the antipode must be negative (south direction).
Step 3: Calculate the longitude
LngA = LngO ± 180° = 31.37129 - 180° = -148.62871°
Since the longitude is positive, we subtract 180° to ensure the final value lies between (-180, 180). If it were the other way around, we would sum 180° for the same reason.
Result:
The antipode of Wadi Halfa is located on coordinates: (LatA, LngA) = (-21.79577, -148.62871)
In DMS format: 21°47'44.8'' N 31°22'16.6'' E .