Select 2 cities to calculate the distance:
In Sao Tome and Principe, cities are very close to each other compared to other countries, with an average distance of 14 km between the 10 most populated cities. The following matrix shows all distances between the main cities.
| São Tomé | Belém | Porto Alegre | Guadalupe | Trindade | Neves | Água Izé | Folha Fede | |
|---|---|---|---|---|---|---|---|---|
| São Tomé | - | 7 km 5 mi | 40 km 25 mi | 11 km 7 mi | 7 km 4 mi | 20 km 13 mi | 13 km 8 mi | 8 km 5 mi |
| Belém | 7 km 5 mi | - | 33 km 21 mi | 10 km 6 mi | 1 km 1 mi | 15 km 9 mi | 11 km 7 mi | 2 km 1 mi |
| Porto Alegre | 40 km 25 mi | 33 km 21 mi | - | 40 km 25 mi | 33 km 21 mi | 36 km 22 mi | 30 km 18 mi | 32 km 20 mi |
| Guadalupe | 11 km 7 mi | 10 km 6 mi | 40 km 25 mi | - | 10 km 6 mi | 10 km 6 mi | 20 km 13 mi | 12 km 7 mi |
| Trindade | 7 km 4 mi | 1 km 1 mi | 33 km 21 mi | 10 km 6 mi | - | 16 km 10 mi | 10 km 6 mi | 1 km 1 mi |
| Neves | 20 km 13 mi | 15 km 9 mi | 36 km 22 mi | 10 km 6 mi | 16 km 10 mi | - | 25 km 16 mi | 17 km 11 mi |
| Água Izé | 13 km 8 mi | 11 km 7 mi | 30 km 18 mi | 20 km 13 mi | 10 km 6 mi | 25 km 16 mi | - | 9 km 5 mi |
| Folha Fede | 8 km 5 mi | 2 km 1 mi | 32 km 20 mi | 12 km 7 mi | 1 km 1 mi | 17 km 11 mi | 9 km 5 mi | - |
Among the 10 main cities, the longest distance is 40 km, between Porto Alegre and São Tomé. If the group is expanded to the 25 largest cities, the longest distance is between Santo António and Porto Alegre, with 203 km.
| Group | From → To | Distance |
|---|---|---|
| Among the main 10 cities | From Porto Alegre to São Tomé | 40 km (25 mi) |
| Among the main 50 cities | From Santo António to Porto Alegre | 203 km (126 mi) |
The greatest latitudinal distance (north to south) is also from Santo António to Porto Alegre, with a displacement of 1.6 degrees of latitude in geographic coordinates, which is approximately equivalent to 177 km.
In the longitudinal direction (west to east), the greatest distance is from Santo António to Diogo Vaz, with a displacement of 1.32 degrees of longitude, which is approximately equivalent to 102 km. The total distance between these cities is 179 km.
International routes from cities in Sao Tome and Principe reach significant distances, such as the 14,775 kilometers between São Tomé and Sydney, covering a transcontinental connection between Africa and Oceania. Below are some international distances from Sao Tome and Principe.
| São Tomé → London | 5,708 km |
| São Tomé → Los Angeles | 13,148 km |
| São Tomé → Sydney | 14,775 km |
| São Tomé → Paris | 5,392 km |
| São Tomé → Tokyo | 13,730 km |
| São Tomé → Buenos Aires | 7,776 km |
| Belém → London | 5,711 km |
| Belém → Los Angeles | 13,146 km |
| Belém → Sydney | 14,776 km |
| Belém → Paris | 5,396 km |
| Belém → Tokyo | 13,737 km |
| Belém → Buenos Aires | 7,769 km |
| Porto Alegre → London | 5,739 km |
| Porto Alegre → Los Angeles | 13,152 km |
| Porto Alegre → Sydney | 14,764 km |
| Porto Alegre → Paris | 5,424 km |
| Porto Alegre → Tokyo | 13,769 km |
| Porto Alegre → Buenos Aires | 7,739 km |
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