NSString *latitudeString = [[[jsonDict objectForKey:@"bindings"]objectAtIndex:0]objectForKey:@"Latitude"];
NSString *longitudeString = [[[jsonDict objectForKey:@"bindings"]objectAtIndex:0]objectForKey:@"Longitude"];
Более приятным способом:
NSDictionary *gealocationDict = [[jsonDict objectForKey:@"bindings"]objectAtIndex:0];
NSString *latitudeString = [gealocationDict objectForKey:@"Latitude"];
NSString *longitudeString = [gealocationDict bjectForKey:@"Longitude"];